TY  - RPRT
TI  - Aeromagnetic map of the Westford quadrangle and part of the Spring Hill quadrangle, Tolland and Windham Counties, Connecticut
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1969
DO  - 10.3133/gp650
UR  - https://pubs.usgs.gov/publication/gp650
ID  - gp650
ER  -