| 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. McKinstry, Hugh Exton and Mikkola, Aimo K. (1954). The Elizabeth copper mine, Vermont (Econ. Geology 49:1-30) |