TY  - RPRT
TI  - Surficial Geologic Map of the Ashby-Lowell-Sterling-Billerica 11-Quadrangle Area in Northeast-Central Massachusetts
AU  - Byron D. Stone
AU  - Janet Radway Stone
PY  - 2007
DO  - 10.3133/ofr20061260c
UR  - https://pubs.usgs.gov/publication/ofr20061260C
ID  - ofr20061260C
ER  -