Thompson, P., J. Kopera, D. Solway. Preliminary Bedrock Geologic Database of the Boston Harbor National Recreation Area (BOHA): Massachusetts Geological Survey, Amherst, MA. Consists of ESRI Shapefiles delineating geology, a geologic cross section, and report. Submitted to the Geologic Resources Inventory Team, Geologic Resources Division, National Park Service, September 1, 2011. (Publication)