@misc{indiciae4c11235b151c, title = {Surficial geologic map of the Norwalk North Quadrangle, Connnecticut}, author = {E.H. London}, year = {1984}, doi = {10.3133/mf1520}, url = {https://pubs.usgs.gov/publication/mf1520}, note = {Source identifier: mf1520} }