TY  - RPRT
TI  - Aeromagnetic map of the Mt. Toby quadrangle and part of the Greenfield quadrangle, Franklin and Hampshire Counties, Massachusetts
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1969
DO  - 10.3133/gp660
UR  - https://pubs.usgs.gov/publication/gp660
ID  - gp660
ER  -