TY  - RPRT
TI  - Contour map of the bedrock surface of the Broad Brook quadrangle, Connecticut
AU  - R.V. Cushman
AU  - R. B. Colton
PY  - 1963
DO  - 10.3133/i401
UR  - https://pubs.usgs.gov/publication/i401
ID  - i401
ER  -