A lode claim is a mining right under the General Mining Law of 1872 that lets a qualifying person or company extract hardrock minerals found in veins or rock in place on federal public land. You get one by discovering a valuable deposit, staking the boundaries on the ground, recording the claim with both the county and the Bureau of Land Management within 90 days, and paying a $200 annual maintenance fee by September 1 every year to keep it alive.
What a Lode Claim Covers
Lode claims are defined by geology. They cover minerals that occur in veins, lodes, ledges, or other rock in its original place, which includes gold, silver, copper, lead, zinc, tin, fluorite, barite, gemstones, and similar valuable deposits embedded in rock.1eCFR. 43 CFR 3832.21 – How Do I Locate a Lode or Placer Mining Claim The governing statute sits at 30 U.S.C. ยง 22 and the sections that follow.2U.S. Government Publishing Office (GovInfo). 30 USC 22 – Mineral Lands and Mining
What a lode claim does not cover is loose or transported material. Gold in a streambed, sand, wind-deposited soil, or rock that has been carried from its original spot by water, wind, or gravity all fall under a separate category called a placer claim. Choose wrong and your claim is vulnerable to challenge.
Who Can Locate One
Federal law limits mining claim location to U.S. citizens and to people who have formally declared their intention to become citizens.2U.S. Government Publishing Office (GovInfo). 30 USC 22 – Mineral Lands and Mining Corporations organized under U.S. or state law also qualify. Eligibility is shown by affidavit for individuals and groups, or by a certified copy of the corporate charter for a company.
Where You Can Stake a Claim
Large categories of federal land are withdrawn from mineral entry, meaning no new claims are allowed regardless of what lies underneath. Withdrawn ground includes national parks, national monuments, wilderness areas, military reservations, American Indian reservations, most Bureau of Reclamation projects, national wildlife refuges, and wild portions of designated wild and scenic rivers. Lands withdrawn under the Federal Land Policy and Management Act are also off-limits.
Before you spend money exploring, confirm with the local BLM office that the specific ground is open. BLM keeps the records and can tell you whether a parcel is available.
Claim Size and Extralateral Rights
A lode claim can measure up to 1,500 feet along the course of the vein and up to 300 feet on each side of the vein’s center line, giving a maximum width of 600 feet and roughly 20.7 acres at full dimensions. You cannot locate a claim until you have made a discovery inside those boundaries.3Office of the Law Revision Counsel. 30 USC 23 – Length of Claims on Veins or Lodes
Lode claims carry an unusual feature called extralateral rights. Veins rarely run straight down; they dip at an angle. If the top of the vein, its apex, lies inside your surface boundaries, federal law lets you follow the vein downward past the vertical projection of your sidelines.4Office of the Law Revision Counsel. 30 USC 26 – Locators Rights of Possession and Enjoyment You can only follow it between vertical planes drawn downward through the claim’s end lines, extended in their own direction. For that reason, the sidelines have to run substantially parallel to the course of the vein.1eCFR. 43 CFR 3832.21 – How Do I Locate a Lode or Placer Mining Claim
Orienting the claim wrong is a costly mistake. If your sidelines do not track the vein, you can lose extralateral rights, and you are then limited to whatever falls inside the vertical projection of your surface boundaries. Trace the vein by surface exposure, drilling, or underground work before you finalize the lines.
What Counts as a Valid Discovery
A lode claim without a discovery is not a valid claim. The legal test has two parts. The prudent man standard asks whether a reasonable person would be justified in spending time and money to develop the deposit. The marketability test asks whether there is a reasonable prospect of a profit from selling the mineral.5Bureau of Land Management. Discovery – Mining and Minerals
For a lode claim specifically, three things must line up: a vein or lode of rock in place, valuable mineral carried in that rock, and enough of it to justify a prudent person’s investment in a mine.5Bureau of Land Management. Discovery – Mining and Minerals Interior Department decisions require an actual physical exposure of the deposit inside the claim. A hunch or a favorable geologic theory is not enough.
Staking and Recording the Claim
Once you have a discovery, mark the boundaries on the ground with distinct, clearly identifiable monuments.6Bureau of Land Management. About Staking a Mining Claim Most states set their own rules on what counts as an acceptable monument, so check state mining law before you head into the field. Posts and rock cairns at the corners and along the lines are typical.
Recording happens in two places. File a notice or certificate of location with the county recorder, and file a copy with the appropriate BLM state office. Both filings must happen within 90 days of the date of location.7eCFR. 43 CFR 3833.11 – How Do I Record Mining Claims and Sites The notice needs a claim name or number, the names and current addresses of every locator, the claim type, the date of location, and a complete land description.
The BLM filing carries a $49 location fee plus an initial $200 maintenance fee for the current assessment year.8Bureau of Land Management. Mining Claim Fees Miss the 90-day window or skip a required fee and BLM will not accept the filing.
Keeping the Claim Alive
A lode claim survives from year to year on a single payment. The maintenance fee is $200 per claim, due on or before September 1 each year.9U.S. Government Publishing Office (GovInfo). 30 USC 28f – Claim Maintenance FeeMining Claim Fees This fee replaced the older requirement to perform $100 worth of assessment work on each claim every year.
Missing September 1 forfeits the claim. BLM treats non-payment as a non-curable defect, and there is no grace period.10eCFR. 43 CFR Part 3830 Subpart E – Failure To Comply With These Requirements Treat the date as absolute.
Small Miner Waiver
If you and all related parties together hold ten or fewer mining claims and sites nationwide, you can apply for a small miner waiver instead of paying the fee.11eCFR. 43 CFR Part 3835 – Waivers from Annual Maintenance Fees The waiver requires you to perform the traditional assessment work on each claim and to file the waiver certification with BLM on or before September 1. Every co-claimant must independently qualify, and the waiver has to be renewed each year.
If BLM finds a defect in a filed waiver, you get 60 days to fix it or pay the full fee.12U.S. Government Publishing Office (GovInfo). 30 USC 28f – Claim Maintenance Fee Fail to file a waiver at all and also fail to pay, and forfeiture is automatic with no cure.10eCFR. 43 CFR Part 3830 Subpart E – Failure To Comply With These Requirements
You Cannot Buy the Land
Modern lode claims are unpatented, and they will stay that way. A claimant used to be able to apply for a patent that converted the claim into private property, but Congress stopped that in 1994 through a rider in the Interior Department’s appropriations act, and every appropriations bill since has renewed the moratorium.13U.S. Department of the Interior. S 303 – 3/22/12 No new patent applications are accepted, and pending ones are not processed.
What you hold is a possessory right to extract minerals. The surface remains federal land managed by BLM, and your rights last only as long as you keep paying (or waiving) the fee and complying with environmental and operational rules.
Lode Versus Placer at a Glance
Geology decides which claim type you need. Working a quartz vein carrying gold in a mountainside is a lode claim. Working alluvial gold in a streambed is a placer claim.1eCFR. 43 CFR 3832.21 – How Do I Locate a Lode or Placer Mining Claim Individual placer claims max out at 20 acres, conform to the rectangular public land survey rather than following a vein’s course, and carry no extralateral rights because there is no vein to follow underground.14eCFR. 43 CFR 3832.22 – How Much Land May I Include in My Mining Claim If in doubt about which category your deposit falls into, resolve it before you stake.