TY  - RPRT
TI  - Bedrock geologic map of the Williamstown and North Adams quadrangles, Massachusetts and Vermont, and part of the Cheshire Quadrangle, Massachusetts
AU  - N. M. Ratcliffe
AU  - D.B. Potter
AU  - R. S. Stanley
PY  - 1993
DO  - 10.3133/i2369
UR  - https://pubs.usgs.gov/publication/i2369
ID  - i2369
ER  -