Placer County, California has 3,848 records of mining claims on public land managed by the Bureau of Land Management and 504 records of mines listed by the United States Geological Survey (USGS).
Quick Facts
- 3,848 records of mining claims on public land managed by the Bureau of Land Management.
- 475 active mining claims
- 3,373 closed mining claims
- 504 USGS records of mines in Placer County, California.
- Gold , Chromium , Silver , Lead , and Copper mines located in Placer County, California. See All
Mines Summary
in Placer County, California
- 504 Total
- 82 Occurrences
- 10 Prospects
- 1 Plants
- 411 Producers
Recently Updated Mining Claims
Most recently updated claims in Placer.
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OREDIGGER 2
- $330 fee 40 acres Active disposition
- Placer, California
- Sandra L. Curry et al.
- Placer Claim
Read More -
ECHZ 1
- $165 fee 20 acres Active disposition
- Placer, California
- Todd Leslie
- Placer Claim
Read More -
5 STAR MINE
- $165 fee 20 acres Active disposition
- Placer, California
- Naillon Trust
- Placer Claim
Read More -
THE WALL
- $165 fee 20 acres Active disposition
- Placer, California
- Gary Watts et al.
- Placer Claim
Read More -
LAST CHANCE BSB
- $330 fee 40 acres Active disposition
- Placer, California
- Kris Boger et al.
- Placer Claim
Read More
Mining Claims (BLM)
Placer County, California has 3,848 mining claims on public land listed in The Diggings™. Of these claims, 12.34% are active while 87.66% are now closed.
Quick BLM Facts
- 3,848 records of mining claims on public land managed by the Bureau of Land Management.
- 475 records of active mining claims
- 3,373 records of closed mining claims
Mine By Disposition
In Placer
COUNTY | Authorized mines |
---|---|
closed | 3373 |
active | 475 |
Placer County, California Mining Image Gallery
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Mayflower Mill, 1896 Courtesy of California Geological Survey -
Michigan Bluff, 1896 Courtesy of California Geological Survey -
Michigan Bluff, 1854 courtesy of Wells Fargo Bank Union Trust Co. © courtesy of Wells Fargo Bank Union Trust Co. Courtesy of California Geological Survey -
Gold Blossom Mill, 1895 Courtesy of California Geological Survey -
Gold Blossom Mill, 1895 Courtesy of California Geological Survey -
Rocky Bar or Estey Mine, 1915 Courtesy of California Geological Survey
Placer County, California Trends Overview
January 2021 vs. January 2020
Mining Trends
Historic Mining Records (USGS)
Placer has 504 identified mines listed in The Diggings™. The most commonly listed primary commodities in Placer mines are Gold , Chromium , and Silver . At the time these mines were surveyed, 82 mines in Placer were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill hole—known as an occurance mine.1 Placer has 10 prospect mines.2 411 mines were in production at the time the data was entered into USGS records.
Quick USGS Facts
- 504 records of mines in Placer County, California.
- 10 records of prospects
- 82 records of mineral occurrences of observable ore mineralization.
- 1 record of mining plants
- 411 records of mineral producers
Mine By Disposition
In Placer
COUNTY | Authorized mines |
---|---|
Producers | 411 |
Occurrences | 82 |
Other | 11 |
1 Grade, tonnage, and extent of mineralization for such mines are unspecified.
2 Such mines have some degree of development such as surface trenching, adits, shafts, drill holes, geophysics, geochemistry, or geological mapping to estimate grade and tonnage.
Popular Public Lands & Regions
in Placer County, California
Top Mining Districts
in Placer County, California
Top Owners
in Placer County, California
Popular Towns, Cities, Etc.
in Placer County, California
Mining Claim News From The Diggings™
Learn more about the Bureau of Land Management, Public Land Survey System, and mining claims.
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Understanding Claim Ownership
We receive lots of emails from people who find their name or a relative’s name on our site and want to know if this means they have some right to the land listed under that name.
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Understanding BLM Administrative Areas
Whether it is filing a mine or researching one, the administering BLM office is going to be the definitive source.
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Understanding Location Data
Mine handled by the Bureau of Land Management are not mapped by latitude and longitude, instead, these mines harken back to the Public Land Survey System.
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Understanding Townships
A “township” can refer to two different things. Both are part of the PLSS measurement system but have different uses.
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