@misc{indiciaefcaa9b4e4da4, title = {Surficial geologic map of the Marlborough quadrangle, Connecticut}, author = {Dennis W. O’Leary}, year = {1979}, doi = {10.3133/gq1504}, url = {https://pubs.usgs.gov/publication/gq1504}, note = {Source identifier: gq1504} }