@misc{indiciae1e07424f890a, title = {A geologic map of the sea floor in western Massachusetts Bay, constructed from digital sidescan-sonar images, photography, and sediment samples}, author = {Michael H. Bothner and C.M. Parmenter and D.C. Twichell and C. F. Polloni and H.J. Knebel}, year = {1992}, doi = {10.3133/ds3}, url = {https://pubs.usgs.gov/publication/ds3}, note = {Source identifier: ds3} }