@misc{indiciae96b4a4230494, title = {Map showing depth to bedrock, Rockville Quadrangle, Connecticut}, author = {R.C. Hyde and R. B. Colton}, year = {1984}, doi = {10.3133/mf1701}, url = {https://pubs.usgs.gov/publication/mf1701}, note = {Source identifier: mf1701} }