Maps, Data, Publications, and Resources
Water Science for Schools (USGS). at <http://ga.water.usgs.gov/edu/>
Voted one of the 10 Best Websites by Government Computer News!
Well Inventory of the Ayer quadrangle, Massachusetts. Well Inventory (2006).
Well inventory of the Hudson quadrangle, Massachusetts. Well Inventory (2005).
Well inventory of the Marlborough quadrangle, Massachusetts. Well Inventory (2004).
Well Inventory of the Westford quadrangle, Massachusetts. Well Inventory (2009).
Western Massachusetts Mineral Localities. (Valley Geology, 1992).
What 7.5' quadrangle am I in?: A PDF of a paper map. at <http://www.geo.umass.edu/stategeologist/Quads_Towns_WS7_34x44.pdf>