TY  - RPRT
TI  - Preliminary bedrock geological map of the Warren quadrangle, Worcester, Hampden, and Hampshire Counties, Massachusetts
AU  - John S. Pomeroy
PY  - 1973
DO  - 10.3133/ofr73226
UR  - https://pubs.usgs.gov/publication/ofr73226
ID  - ofr73226
ER  -