TY  - RPRT
TI  - Surficial geologic map of the Townsend quadrangle, Middlesex and Worcester Counties, Massachusetts, and Hillsborough County, New Hampshire
AU  - Carl Koteff
AU  - Byron D. Stone
PY  - 1990
DO  - 10.3133/gq1677
UR  - https://pubs.usgs.gov/publication/gq1677
ID  - gq1677
ER  -