Maps, Data, Publications, and Resources
Preliminary fracture characterization map of the Ayer quadrangle, Massachusetts. Open-File Report (2006).
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 area surrounding Shepley's Hill, Towns of Ayer and Devens, Massachusetts. Open-File Report (2008).
Well Inventory of the Ayer quadrangle, Massachusetts. Well Inventory (2006).