@misc{indiciae49ac1f5876c1, title = {Map showing depth to bedrock, Glastonbury Quadrangle, Connecticut}, author = {J.E. Palmer and W. H. Langer and J. H. Jansky and J.W. Bingham}, year = {1984}, doi = {10.3133/mf561e}, url = {https://pubs.usgs.gov/publication/mf561E}, note = {Source identifier: mf561E} }