| Online link | https://mrdata.usgs.gov/nmra/ |
|---|---|
| Description | Estimates of the tonnages and amounts of contained metal in undiscovered deposits, mineral deposit types. |
| Originators | U.S. Geological Survey |
| Publication | U.S. Geological Survey Circular 1178 |
| Metadata | Questions and answers |
| Format | Content | Service URL |
|---|---|---|
| WMS | Permissive tracts for deposit types containing copper, silver, gold, lead, and zinc with estimates of the number of undiscovered deposits in each tract. | https://mrdata.usgs.gov/services/nmra?request=GetCapabilities&service=WMS&version=1.3.0 |
| Format | Content | Download package |
|---|---|---|
| Shapefile | Permissive tracts for mineral deposits containing copper, gold, silver, lead, and zinc in the continental US and Alaska, by deposit type with estimates of the number of undiscovered deposits of each type. | https://mrdata.usgs.gov/nmra/nmra.zip |
| KML | Permissive tracts for mineral deposits containing copper, gold, silver, lead, and zinc in the continental US and Alaska, by deposit type with estimates of the number of undiscovered deposits of each type. | https://mrdata.usgs.gov/nmra/nmra-kml.zip |