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Rain, especially heavy rainfall or flooding, can “bring gold back” because it acts as a natural force that loosens and washes gold particles from the riverbanks and bedrock in mountainous areas, carrying them downstream where they can be deposited in more accessible locations for prospectors to find; essentially replenishing gold deposits in rivers after erosion from previous weather events.
When heavy rain occurs, the rushing water erodes the soil and rock along riverbeds, dislodging gold particles that were previously embedded in the sediment.
Since gold is a heavy metal, it tends to settle to the bottom of the riverbed, getting caught in crevices and behind rocks where water flow slows down.
Large flood events can significantly increase the amount of gold transported downstream, further replenishing gold deposits in certain areas.
So gear up and get ready for gold season!
You’ve GoT This!
There is so much more to reclamation dredging than just hunting for gold! Recent flooding has created a demand for cleaning out waterways, clearing out ponds, and dams, clearing boat slips and so much more! Ready to learn more? Read on!
—- GOLD PRICES ARE UP!!! —-
Let’s get you geared up for GOLD SEASON !

BE PREPARED!
A pool, a spa, a pond, all full. You see it time and time again in news reports of the aftermath of a devastating fire. With a Keene FireFighter you will have an invaluable tool to defend your property. Isn’t it worth the investment to have one and never need to use it? Don’t regret it, be ready instead.
Keene Engineering is very proud to present our newest member of our Sluice Box family!
The A52S Super Sluice Box is our new baby and we couldn’t be prouder! Learn what all the buzz is about by watching our video then get yours before there is a waiting list!
WHAT’S HAPPENING…
Just talked to a few of the guys running our newest 8" Super Max, and the first field reports are coming in strong. The dredge is working great.
You guys have no idea how important this is to Pat and me. We busted our asses designing, building, testing, and refining this dredge. We have been doing this for a long time, and we put everything we had into these new machines.
Just look at the flow coming off the side boxes — smooth, calm, and even. That is exactly how you catch the fine flower gold.
The main 40 HP Vanguard is running just a little over half throttle with 40 feet of hose, which is impressive. Running 40 feet of hose is a lot for any dredge. Even the 13 HP engine powering the sump is only running around half throttle.
That tells us the design is working exactly the way we wanted it to. Proud of this one.
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- Likes: 100
- Shares: 9
- Comments: 14
8in with sump is my dream Dredge
Price?
Good on you guys. She’s a beauty.
That’s not the one that went out to NZ was it?
I’m sure you guys built the best. I love my Keene equipment.
Looks great! Congratulations on another awesome product. Love my DW3 12V Max Drywasher! Two questions Mark - Do you have a California compliant model and does it come with a Keene hat? 😆
Would Love to see clean up from sump and see what mesh it’s catching
40 mile!
Well done gentlemen!! I sure would like to run that baby!!
Wish I had one of those back in the day on the Merced.
This is my future retirement investment for gold and diamond dredging in Sierra Leone West Africa.
Love to have that set up in Your Finny hole Lol
Maşallah
That is seriously bad ass!!! I hope that guy nails it on the shiny stuff!!
I have three RC46DRs: one with a gas engine and two with 15-hp electric motors. They are held by one sprocket that is on back order. ... See MoreSee Less
Time for a plasma cutter ..Fab your own ??
I love that design, I hope your parts arrive soon !
I love mine!
Argh!!!
They need to have a hydraulic drive .
We have a few Super Max dredges being shipped out this week. Periodically, we assemble one and make sure everything fits together correctly. ... See MoreSee Less
Cool 😎
Beautiful!
Outstanding. What's the size?
Is that coming to me LOL wish that Would be awesome to reclamating my area and get the job done 🤔
What is the price on this bad boy
How much
You know they aren’t going to dredgers in California
I have always had great success with gold recovery using rear-sump on box as shown in photo.The old triple-sluice works well too.Keeps from gradually rattling the gold out the back when dredging aggressively for long periods at full throttle.Also keeps unbroken sticky clay-balls from grabbing your gold and taking out of the box.Looking forward to Keene finishing my new eight so I can pick it up and go bananas.
Ain't nothing like a Keene Engineering, Inc. dredge with blasting nozzle 😎☠️💛⭐🔥✊
Not everyone knows, but we sell many systems for reclamation dredging and Dredging for milfoil and other invasive species. This book, which is only available on Amazon, is 149.95. So if you are setting up a DASH boat, this one-time investment will save you thousands.
DASH: The Complete Guide to Diver Assisted Suction Harvesting: A Practical Handbook for Lake Associations on Planning, Building, and Operating a DASH Program
by Tom Kindred (Author) Format: Paperback
THE COMPLETE FIELD MANUAL FOR VOLUNTEER DASH PROGRAMS
Aquatic invasive plants are choking lakes across North America. They damage native vegetation, degrade fish habitat, reduce water quality, and threaten the recreational and economic value of freshwater lakes that entire communities depend on.
Communities searching for solutions quickly discover that the available options are deeply flawed. Chemical treatments are controversial. Manual pulling rarely keeps up with regrowth. Mechanical harvesting is expensive and often causes significant ecological disturbance.
Diver-Assisted Suction Harvesting — DASH — is different.
It is targeted, low-impact, and accessible to community-based lake associations. When properly designed and operated, DASH allows trained crews to selectively remove invasive vegetation while protecting native ecosystems.
Many lake associations manage invasive vegetation in water shallower than 6 feet (2 metres), where no diver or breathing apparatus is required. The same suction technology and program frameworks in this guide apply equally to these shallow-water operations.
But building a safe, legal, and effective DASH program is far more complex than it appears. Volunteer groups frequently encounter regulatory confusion, equipment design mistakes, safety gaps, and operational challenges long before they ever put a diver in the water.
DASH: The Complete Guide to Diver Assisted Suction Harvesting is the first comprehensive field manual designed specifically for volunteer lake associations planning, building, and operating a DASH program.
Drawing on the experience of the CLEAR (Crystal Lake Emergency and Aquatic Response) program — one of Canada's most successful community-led DASH initiatives — this guide provides a practical framework for launching and sustaining a program that works.
What this guide covers
Feasibility assessment tools before committing major resources
Regulatory navigation in Canada and the United States, including permit requirements, OHS classifications, and standby diver rules
DASH boat design, jet log configuration, calibration, and troubleshooting
Rent-versus-build-versus-buy decision frameworks
Operational planning, crew roles, safety briefings, and productivity benchmarks
Breathing system selection and related regulatory implications
Volunteer training, safety culture, and emergency response procedures
Fundraising, insurance, and long-term financial sustainability
Community engagement, governance, and stakeholder communication
Post-season evaluation and multi-year program development
Also includes: a complete business plan template, volunteer management tools, operational checklists, a full glossary, and an acronym reference.
Who this guide is for
Lake associations, cottage owner groups, and watershed committees are building a new DASH program or formalizing an existing one.
Municipal governments, conservation authorities, and lake management organizations evaluating DASH as a vegetation management strategy.
Dive team leaders, volunteer coordinators, equipment builders, and technical staff responsible for operating or supporting DASH systems.
Researchers and environmental managers seeking documented program design and operational protocols.
Built on real program experience
This guide is not a theoretical overview. The feasibility scoring tools, cost models, safety protocols, operational checklists, and program frameworks presented in this book were developed through real-world implementation.
If your lake is under threat and your community is ready to act, this guide provides the framework to build a responsible, effective, and sustainable DASH program.
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Amazon link👉 amzn.to/3S76gtr
Impressive information
RC46DRE Keene Double Roller Rock Crusher — 15 HP Electric Drive
It has been a while since we built a few electric-drive crushers, and this one reminded us just how serious a 15 HP 3-phase motor really is. These motors deliver full power and full torque instantly, so I had to go out and remind the guys that everything in the drive system needed to be upgraded accordingly.
We stepped up the drive hardware with larger Grade 8 bolts, nuts, and components to handle the torque properly. Take a look at the pulley system we use to reduce the speed and keep the crusher running strong and controlled.
When the customer first fires this beast up, I always recommend standing back. This machine means business.
We also build heavy-duty belt guards out of cross-linked polyethylene, which is incredibly tough and practical for field use. Like all Keene equipment, this crusher is built to last decades — not days, months, or just a few years.
The RC46DRE is fully rebuildable and easy to work on, designed by people who understand that field repairs need to be simple, practical, and possible with normal tools.
American-made. Field serviceable. Built to work.
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send me some information on this please. might need to do many tons. 🤔
Andrew Homan
how much $ ?
price 18895.00
We’re building three more double-roll crushers, and just look at how stout these beasts are.
These are rock-solid, American-made crushers, built with quality components throughout — even the bearings are Browning and Dodge. We’ve sold a lot of these crushers over the decades, and most of them are still out there running strong.
Built heavy. Built simple. Built to last.
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Double roll, tell me more please
Did not know they sold crushers
How much to deliver to Australia?
I’ve had mine 8 years no problems
That's awesome. How much do they go for?
🔥 🔥 🔥 🔥
Always on top of the market as Dad taught you guys!
Can I get a quote please?
I have one of those, it works great!
They won't last long for sale, especially when 80% of the world's gold is fine gold
Can you DM the price?
Will I need an impact mill between jaw crusher and shaker table?
Andrew Homan
😎☠️💛⭐🔥✊
We’re finally getting a big batch of DW312Max dry washers out the door. It looks like we’ll have a dozen-plus units shipping this week.
We really appreciate everyone’s patience. Demand has been heavy, but we’re making steady progress and getting machines built, tested, and shipped as fast as we can. More are coming right behind this batch.
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Sure hope that one will be for me!
This is the way……!👍
They must work good if demand is heavy
I love mine. This puffer is the real deal. Pack it down a trail or wherever you go with a battery that weighs nothing. Run your pay through it and gather your concentrates. This machine cleans out real fast and easy. Thanks Pat and Mark Keene.
How about price
Want some help with assembly?
Happy days r here again
Sweet!!
Yes!! ⛏⛏⛏⛏
Keene has good equipment but the photos of the shop are terrible. Messy and disorganized. Perhaps that is part of the reason for lack of inventory. New product just tossed on top of each other on the floor. Why no shelving? 'tis a shame Keene.
Your magic ingredient. Geppetto
Keep up the good work guys 🫡. Looking forward to getting my package 😍
Weird, ordered my stuff on May 15th and my simple order still hasn't shipped 🤔. Even though the CEO confirmed the components were in stock. What's the deal Keene?
Gold Prospector.
The answer to when dredging will be allowed again in California is simple. It was never disallowed. Personal dredging permits are never going to be allowed again because they were an illegal scheme exposed by the Karuke ( probably spelled wrong) Tribe. The scam, California created a recreational mining class in the 90s under the guise of protecting fish habitat. The scam put the fish and game, now called the state fish and wildlife in charge of this new class of recreation and allowed the fish and game to monetize the recreation which they did by offering personal permits for a person to use a dredge in any allowed waterway in California and only for certain times of the year. This practice by California broke several laws under the mining laws and California's own laws. The Karuke ( again, probably spelled wrong) was not happy with the folks up at Happy Camp, apparently and decided to do something about it. They sued California and won . Why did they win? They won because California did not subject the personal permits to the same standards as a property permit. If a person under a commercial property permit wants to activate a mining site they have to go through several processes. They first have to identify any environmental impacts that mining would cause on the land or water way . Depending on the sites an EIR might be necessary. California law requires this for any commercial activity no matter what the new activity is. Federal laws also require the states to oversee and regulate and enforce mining law . By California allowing people to mine by dredging under a personal permit without going through this process broke not only state laws but also federal laws. The only way California could get away with issuing personal permits to mine/dredge is for them to go through the commercial process on any area they allow the activity. No problem right ? After California lost they put a moratorium on issuing personal permits for recreational mining in California. At least until they could figure out what to do. Once they figured out that California couldn’t afford to go through the commercial process that they require of commercial mining they made the ban of personal permits permanent. This is where we get the moratorium of dredging.
However, dredging is not and has never been illegal in California if you go through the process of becoming a commercial miner and get the proper property permits for your property. It is illegal for California to stand in the way of mining when done properly.
Your property permit/mining rights have not been interfered with.
Just like your drivers license, fishing license or hunting license, the dredging license always could be taken away because it’s a personal permit.
Mining laws and rights are about property rights, not personal rights.
Dredging is still legal in California and the rest of the states .
And this is why the small mining industry really needs to get back to the basics of mining districts and fund education to small scale miners so we know how to stay legal and claim our rights at the table to keep the other entities favorable to mining. Mining districts are a part of mining law and have equal powers under the law equal to fish and wildlife or the water board , but the only way to claim that right back is to utilize it and fill the mining districts with members willing to fund the district.
How do I know this ? My name is Robert Guardiola, and I have been to almost every “dredging “ hearing and have been in personal meetings with several clubs and government officials and several phone and zoom calls with both. If you go to the last Zoom meeting on Californias water board site you will hear my discussion with the water board and their attorneys, you will also hear the California attorney correct the water board chair that I was correct when I layed out the process of legal dredging under commercial property permits.
I did not solve this on my own, it was a collaborative effort of the local mining association I was president of and many other leaders in our community. The person who helped me the most, I don’t think he will mind me giving him credit? Was Kevin Bell , Kevin worked in the water industry for most of his life and definitely knows his way around the water laws and applied his expertise to the mining industry in which he is still active. The other person I would also give Credit to , although the enemy of our cause , is Senator Ben Allen , why Senator Ben Allen , because he let the cat out of the bag which helped me send our team in the right direction to search. It was at the hearing AMRA spearheaded to try to define the definition of a dredge . It was that hearing when I knew that no matter what equipment we used ,California couldn’t issue a personal permit.
I can still see old Ben, looking down on miners from his perch in the prominent seats . And I understood that even he didn’t understand what the law actually was.
I forget who just finished speaking, but he looked down on U.S. miners and said “ Be Careful, otherwise we’ll make you mine under commercial laws “
Right then I knew why they always referred to dredging as recreational!
And I knew that we probably would never get another recreational permit to mine , it is just not cost effective for neither the state or miner to comply with that big of an EIR 🤷♂️
But it is possible to dredge , and they even gave us a map with their 2012 map of where we can easily obtain permits and those areas shouldn’t, by Californias evaluation require an EIR 🤷♂️
P.S.
For property permits you go through the regional water board not the state water board 😉
P.S.-P.S. literally hundreds of people helped us arrive at these facts , to those hundreds, please feel free to chime in, I didn’t mention others as I didn’t get their permission to mention them
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What is the correct process to dredge because my friend Tim just came back from his claim and is seeking all information to do so.
Dredging $ucks!!!
So how do we find the correct regional water board for the body of water were in. For instances the bear river is run and operated by the NID. Is that who we would contact. Or in the Georgetown area what local district would we contact. Any input would be greatly appreciated
Sb637 allows the waterboard to issue a NPDES but have stalled it for many years The draft map was a few areas with no gold so a lot of good that would do. www.waterboards.ca.gov/water_issues/programs/npdes/suction_dredge_mining.html
Karuk Tribe, 4800 Members, centered around Happy Camp- I seem to remember that the Tribe asked some dredgers to stop over a weekend that they were holding a ceremony, and the dredgers would not respect that, so the Tribe sued the Fish and Game, and the State banned dredging at some point because it was "deleterious" to the salmon population. At some point they banned dredging and my Keene dredge, and all my Keene equipment sat for 5 years or so before I sold it to someone, and I bought a metal detector and never looked back! They (the State) claimed it was harmful to the salmon's spawning ground, etc. Any dredger knows that fish swim right up to the suction nozzle looking for what might be around to eat- in our area, (Amador County) there hasn't been a salmon in the Mokelumne River since 1965? when they built Lake Camanche Dam, and no fish ladder! See you out in the field with a metal detector, don't think I will ever see dredging come back in my lifetime, at 69! However, keep up the good fight, and thank you for sticking up for miners everywhere, Sir!
IT all sounds like Bs..legalese, you say "personal" how does that affect a legal claim owner? Answer that please, clearly. Not any stupid PLP, BS
Same in Wa. tribes and fish
How about Oregon?
Interesting...
It's not a right if you have to pay someone for the privilege of doing something.
�If you are NOT aware of the 30 x 30 Initiative or the "Wildlands Project", you should be... 30 x 30 intends to confiscate 30% of the targeted land by 2030 And they are well underway. americanstewards.us/the-wildlands-project-returns/ MICHAEL SHAW on the Wildlands Project www.youtube.com/watch?v=I15FF7WDU3k This is effectively a "Land Grab" operation under the guise of a "Conservation Project". It is "said to be" related to UN Agenda 2030. The most offending goal is that most human access in the "Wildlands" will be prohibited. And what one considers the "Wildlands" makes up over 60% of the country. One must remain in the "Sustainable Cities" to be "safe"! Insurance companies are already cancelling policies therefore making it impossible to build new homes or buy/sell existing homes, unless you have the cash to self-insure... Many roads/trails/campgrounds are being incrementally closed. Eventually they will say it's too unsafe because of "Climate Change". Resources/water/energy etc are not available in the Wildlands because of drought/floods/fires and overburdened power systems. Permits to rebuild will be refused, and entire towns abandoned and the people relocated. There is a growing number of people who consider that many of these fires, floods, hurricanes, tornadoes and other Weather Warfare Operations that are destroying homes and entire cities are being Geoengineered to facilitate this project. "In a DOD news briefing on April 28, 1997 Secretary of Defense William Cohen said "Others” are engaging even in an eco- type of terrorism whereby they can alter the climate, set off earthquakes, volcanoes remotely through the use of electromagnetic waves." www.jstor.org/stable/48531830 Once land has been destroyed by natural disaster the Federal Government can deem it is unsafe for habitation and take it by eminent domain. So how else do you think one could achieve this agenda? You know people are not going to willingly leave their lovely home in the "Wildlands" and move to the "Sustainable Cities" to live in Pods... Seems like a diabolical plot to a Sci-Fi Thriller by a Filmmaking 101 course at Community College, doesn't it? Of course nothing is real unless it's on TV! Everything else is "Conspiracy"... open.substack.com/pub/exhibitx/p/the-wildlands-project-a-land-grab?r=4ysajp&utm_campaign=post&utm...
Liberalism is a disease. Less government=more freedom
I'll chime in here. Having done dredging in Mariposa Ca, Merced River, Bear Creek and South Fork. This is in my opinion stupid. Dredging makes holes for the fish to spawn in WTF you think happens when major floods happen and the water is muddy? We can't regulate mother nature> I would agree there should be a size limit on dredges for the hobby miner say 4" or less. I have caught dinner more than once at the end of our dredge it provides food. This scenic water way shit has to stop we have a right to harvest, just like we have a right to fish we also have the right to shoot dinner or am I missing something? These regulations are stupid a lot of our country was founded on gold. Tell me I am wrong?
Start a gravel plant.Funny how gravel plants have gold mining equipment at their facilities.I always said the gravel plant is the business they run to legally extract a lot of gold without having to call themselves a mining operation.
Dredging is the only way to remove lead and heavy metals like mercury from our water shed. I have a very big problem in NEVADA County. Our water is contaminated. And nothing is being done
There is so many different beliefs of what you can and cannot do especially in California. I blame this both on the states deception on dredging permits and the miners themselves for not staying educated nor supporting those who tried to educate. The small and large miners have all but abandoned their true power in mining and after www2 never restaffed their equal and powerful position in government, Mining Districts. If it weren’t for mining districts most of the western states may not be states . This is a hugely neglected and important part of our mining rights. Mining Districts are the premier authority in mining but if the office isn’t manned then that authority is delegated to the other authorities. And those authorities are not exactly friendly to mining. One of the main barriers that limits these districts are the lack of funds to understand and implement the mining laws and the mining districts authority. Until these districts are funded and professionally manned and managed, mining, especially small scale mining will continue to flounder. So , what can you do and what can’t you do 🤷♂️ as of now the federal law has now adopted California laws that no motorized mining can be done without having either having a NOI , notice of intent or a POO , plan of operation. Period. That being said, it’s all up to the interpretation of the ranger or law enforcement officer or managing authority . Since there is no organized or recognized mining authority ( Mining Districts) you’ll need to rely on either one of two associations that are actively trying to help miners AMRA or PLP . Unfortunately, although both are popular they are not legally recognized as mining authorities. And it seems both are not actively pursuing the benefits of mining districts. There are a few active mining districts in different mining areas and if you have one in your area, you should belong to them and be active in there activities. If you are not a holder of property rights ( you don’t have property either by lease, ownership or permission) then pretty much all you can use by law is non motorize equipment and you should contact the managing authority ( forest service, state parks office or consult the community boards placed at recreational areas ) to see what their allowed practices are . If you are in this category , I highly recommend that you belong to any and all local gold associations in your area that you can afford to belong to . And even if you are a claim owner it’s good to join all the associations. I would recommend that you Belong to the GPAA it’s the largest national gold association and is the one most viewed to see the size and temperament of the small scale miner. The other two that I’ve mentioned are AMRA American Mining Rights Association and PLP Public Lands for the People. Both are pretty active in the larger picture of Mining. All of these mining Associations have some great claims or permission for some great claims and are a fantastic source for understanding what you can or can’t do to stay out of trouble. They are a great source and resource. I know everyone wants to protect their honey 🍯 holes and I don’t blame you, but it is of the upmost importance that you belong to the mining community and I think you can do both. But if the mining community doesn’t pull together then your only one vote of Congress away from losing all your mining rights 😉 so if you’re not involved, get involved! And by the way, a huge shout out to Keene Engineering, Pat and Mark and their hard working staff, they have always supported and been involved in the efforts to keep you mining 👍 I know they’re business is selling mining equipment but believe me when I tell you the profitability in California probably is nonexistent for them yet they continue to go over and above in supporting the industry in California and have always, as long as I’ve been around, done so. Thank You for your continued dedication and contributions 😊
Good information 💯. Thank all involved in keeping our God given rights
Thank you
Mr. Guardiola, While I appreciate your participation in public meetings and your interest in California mining law, several statements in your post substantially mischaracterize both the legal basis for California’s suction dredge restrictions and the scope of mining rights under state and federal law. First, California did not “admit” suction dredging was lawful under some hidden commercial loophole. California’s restrictions arose from extensive environmental review, litigation, and legislative action concerning documented impacts to fisheries, water quality, and sensitive habitat. The courts consistently upheld the State’s authority to regulate suction dredging under its police powers and environmental statutes. Second, federal mining law does not create an unrestricted right to use any specific mining method. Mining rights remain subject to reasonable environmental regulation by state and federal agencies. Courts across the western United States have repeatedly affirmed this principle. Third, the suggestion that mining districts possess authority “equal” to the State Water Resources Control Board or the Department of Fish and Wildlife is incorrect. Mining districts may serve as private or historical organizational bodies, but they do not possess sovereign regulatory authority over California waters, permitting, CEQA compliance, or enforcement actions. Fourth, obtaining approvals for any mechanized instream mining activity involves far more than simply labeling an operation “commercial.” Depending on the activity and location, requirements may include CEQA review, Clean Water Act compliance, Lake and Streambed Alteration Agreements, Regional Water Board waste discharge requirements, endangered species consultation, and federal land management approvals. Finally, the current legal reality is straightforward: motorized suction dredging remains prohibited in California unless specifically authorized under applicable state and federal law. No court has held otherwise. Public participation is welcome, but the public deserves accurate legal information rather than advocacy presented as settled law.
Kerby Jackson
If you want to see pristine creeks and rivers come visit Victoria Australia where dredging isn't allowed. Some may have forgotten the wasteland the place was when unbridled groundwork was undertaken, all trees felled for building materials and mine supports . The worst damage was done by hydrolic slucing
Why I left Commiefornia and will never go back, even for the gold. There are other places much more tolerable. Good hunting.
Dredging is nasty work. Mining in general needs to be much more environmentally friendly
Was all of this the result from the: Initial Moratorium (2009): Signed on August 6, 2009, by Governor Arnold Schwarzenegger, this prohibited the use of vacuum or suction dredge equipment regardless of whether the operator held an existing permit.
WHAT’S HOT!
New and Improved Super Concentrator with an even better price!
We’ve made it next to impossible for you not to add this little power house to your prospecting arsenal at only $425.00!

















