@misc{indiciae6cab81138189, title = {Maps showing geology and shallow structure of eastern Rhode Island Sound and Vineyard Sound, Massachusetts}, author = {Charles J. O’Hara and Robert N. Oldale}, year = {1980}, doi = {10.3133/mf1186}, url = {https://pubs.usgs.gov/publication/mf1186}, note = {Source identifier: mf1186} }