Bigelow, P. J. The stone quarry industry: Pelham, Massachusetts. (1998). at <http://umass.worldcat.org/title/stone-quarry-industry-pelham-massachusetts/oclc/39956300&referer=brief_results>

Kopera, J. P., Shaw, C. E. & Fernandez, M. Preliminary bedrock geologic Map of the Milford quadrangle. Open-File Report (2007).

Kopera, J. P. & Shaw, C. J. Preliminary bedrock Geology of the Northern Portion of the Blackstone quadrangle, Massachusetts. Open-File Report (2008). at <http://www.geo.umass.edu/stategeologist/>

T. Dale, N. The commercial granites of New England. 448 (United States Geological Survey, 1923). at <https://pubs.er.usgs.gov/publication/b738>

Active mines and mineral plants in the US. at <http://tin.er.usgs.gov/mineplant/>

Mindat.org. at <http://www.mindat.org>

Mineral Resources Data System (MRDS). at <http://tin.er.usgs.gov/mrds/>

Minerals Yearbook for Massachusetts. at <http://minerals.usgs.gov/minerals/pubs/state/ma.html>