TY  - RPRT
TI  - Preliminary bedrock geologic map of the Georgetown Quadrangle, Essex County, Massachusetts
AU  - Kenneth Granville Bell
AU  - A. F. Shride
AU  - Norman P. Cuppels
PY  - 1977
DO  - 10.3133/ofr77179
UR  - https://pubs.usgs.gov/publication/ofr77179
ID  - ofr77179
ER  -