TY  - RPRT
TI  - Bedrock geologic map of the Great Barrington quadrangle, Berkshire County, Massachusetts
AU  - Nicholas M. Ratcliffe
PY  - 1974
DO  - 10.3133/gq1141
UR  - https://pubs.usgs.gov/publication/gq1141
ID  - gq1141
ER  -