Calcite from Curry County, Oregon, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| G. M. Butler and G. J, Mitchell (1916) Preliminary Survey of the Mineral Resources of Curry County. Oregon. Mineral Resources of Oregon Vol 2 No 2 Oregon Bureau of Mines and Geology. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |