Monzonite from Lake County, Colorado, USA
USA | |
| Howell, J. V. (1919) Twin Lakes District of Colorado, Colorado Geological Survey, Bulletin 17, 95-97. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |
USA | |
| Howell, J. V. (1919) Twin Lakes District of Colorado, Colorado Geological Survey, Bulletin 17, 95-97. |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |