TY  - RPRT
TI  - Preliminary Bouguer gravity map of eastern Maine and adjacent Canada
AU  - Dennis S. Hodge
AU  - Wallace A. Bothner
AU  - Robert W. Simpson
PY  - 1980
DO  - 10.3133/ofr80618
UR  - https://pubs.usgs.gov/publication/ofr80618
ID  - ofr80618
ER  -