Maps, Data, Publications, and Resources
A cost-effective technique for reconnaissance evaluation of aquifers. Proceedings of the National Symposium on Aquifer Restoration and Ground-Water Monitoring 3, 213 - 219 (1983).
Well Inventory of the Ayer quadrangle, Massachusetts. Well Inventory (2006).
Well Inventory of the Westford quadrangle, Massachusetts. Well Inventory (2009).
Preliminary bedrock geologic map of the Ayer quadrangle, Massachusetts. Open-File Report (2006). at <http://www.geo.umass.edu/stategeologist/>
Preliminary bedrock geologic map of the Westford quadrangle, Massachusetts. Open-File Report (2009).
Preliminary fracture characterization map of the Ayer quadrangle, Massachusetts. Open-File Report (2006).
The commercial granites of New England. 448 (United States Geological Survey, 1923). at <https://pubs.er.usgs.gov/publication/b738>