TY  - RPRT
TI  - Surficial geologic map of the Torrington quadrangle, Litchfield and Hartford Counties, Connecticut
AU  - Roger B. Colton
PY  - 1971
DO  - 10.3133/gq939
UR  - https://pubs.usgs.gov/publication/gq939
ID  - gq939
ER  -