|
USA | |
| Grant, 1968. Mineral Collecting in Vermont |
| Skye Thomson |
| Morrill & Chaffee, 1957. VT Mines & Mineral Localities |
| Hammarstrom, J. M., Meier, A. L., Jackson, J. C., Barden, R., Wormington, P. J., Wormington, J. D., & Seal II, R. R. (2000). Characterization of mine waste at the Elizabeth copper mine, Orange County, Vermont. US Geological Survey Open-File Report 99-564, 74 p. Rocks & Min. Vol. 71, (1996) |
| Morrill & Chaffee, 1957. VT Mines & Mineral Localities |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Johannes Swarts collection |
| Rocks & Min 71:330 |
| Nicolay & Stone (1967), Rocks & Minerals: A Guide For Collectors of the Eastern US |