| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
Green Mountain Mine, Day Book, Yancey County, North Carolina, USA