Mining Claims and Federal Land in Boulder County, Colorado
Boulder County has 146 active BLM mining claims, 0 federal oil and gas leases and 186 BLM rights-of-way. Search any of its 746 PLSS sections for a section-level screen.
Public counts, always visible
146
Active mining claims
Free0
Federal O&G leases
Free186
BLM rights-of-way
Free0
Orphaned wells
FreeThe figures that drive the decision
Labelled here, shown in the live report, plus every parcel you search.
Report layers with Colorado data
What the Federal Land pack answers
Yes. 146 BLM mining claims are active in Boulder County, and 126 more are filed or under review. The Federal Land pack shows which claims fall on the section you search.
Full answer · Federal Land packThis page counts BLM case records, not surface acreage. 0 authorized BLM oil and gas leases list Boulder County as the county of record, and 186 authorized rights-of-way sit in the county. The Federal Land pack names the surface managing agency (BLM, Forest Service, state or private) for each section you search.
Full answer · Federal Land packThe report has Colorado data for 14 of its 15 layers, including FEMA flood zones, USFWS wetlands, USFWS critical habitat and wildfire risk (USFS). USGS documents no orphaned wells in this county.
Full answer · Federal Land packWhat BLM and USGS record in Boulder County
Shown in full, no gate: the proof the numbers on this page are live.
Records by type
County counts
| Active mining claims | 146 |
| Claims filed or under review | 126 |
| Authorized O&G leases (county of record) | 0 |
| O&G lease acres (county of record) | 0 |
| Geothermal leases | 0 |
| Rights-of-way | 186 |
| Orphaned wells (USGS) | 0 |
| PLSS sections | 746 |
Record mix
Share of active BLM records
Screen a Boulder County section for federal land
Search any Boulder County PLSS section and get its mining claims, BLM leases, rights-of-way, orphaned wells and environmental layers in one Federal Land report, with a PDF you can file.