TY  - RPRT
TI  - Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut
AU  - John D. Peper
AU  - Maurice Henry Pease
PY  - 1975
DO  - 10.3133/ofr75439
UR  - https://pubs.usgs.gov/publication/ofr75439
ID  - ofr75439
ER  -