TY  - RPRT
TI  - Aeromagnetic map of the Southbridge quadrangle, Worcester County, Massachusetts, and Windham and Tolland Counties, Connecticut
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1968
DO  - 10.3133/gp631
UR  - https://pubs.usgs.gov/publication/gp631
ID  - gp631
ER  -