Maps, Data, Publications, and Resources
The commercial granites of New England. 448 (United States Geological Survey, 1923). at <https://pubs.er.usgs.gov/publication/b738>
Geomorphology of New England. USGS Professional Paper 18 (U.S. Geological Survey, 1982). at <https://pubs.er.usgs.gov/publication/pp1208>
Digital Versions of Older NEIGC Guidebooks (1920-1989). at <http://www.library.unh.edu/digital/category/science-technology>
NEIGC Fieldtrip guidebooks for various parts of New England. at <http://w3.salemstate.edu/ lhanson/NEIGC/Guidebooks.html>