- Shawangunk Mountains (Shawangunk Ridge; The Gunks)
| Geol. Survey of the State of NY, Geology of Orange Co., Roes, Heinrich (1895): 428 Ref.: New York State Museum Bulletin No. 223, 224 - The Mineral Resources of the State of New York (Jul-Aug 1919): 306. |
Guymard Mine, Guymard, Town of Deer Park, Shawangunk Mountains, Orange County, New York, USA