TY  - RPRT
TI  - Preliminary bedrock geologic map of the Pittsfield East Quadrangle, Massachusetts
AU  - Nicholas M. Ratcliffe
PY  - 1978
DO  - 10.3133/ofr78952
UR  - https://pubs.usgs.gov/publication/ofr78952
ID  - ofr78952
ER  -