TY  - RPRT
TI  - Preliminary geologic map of the Becket quadrangle, Berkshire, Hampshire, and Hampden Counties, Massachusetts
AU  - S. A. Norton
PY  - 1958
DO  - 10.3133/ofr7492
UR  - https://pubs.usgs.gov/publication/ofr7492
ID  - ofr7492
ER  -