Spatial Coverage
- Cripple Creek.1
- Delta Region (Calif.)1
- Eastern Province (Zambia)1
- Fraser River Region1
- Ghana1
- Gilpin County (Colo.)1
- Gilpin County.1
- Goldfield Mining District1
- Goldfield Mining District (Nev.)1
- Gunnison County1
- Gunnison County (Colo.)1
- Halifax (County)1
- Halifax (N.S. : County)1
- Hinsdale County1
- Josephine County1
- Josephine County (Or.)1
- Kenai Peninsula (Alaska)1
- Knik Arm (Alaska)1
- Lewis and Clark County.1
- Malawi1
