TY  - RPRT
TI  - Aeromagnetic map of the Popolopen Lake quadrangle, Orange and Rockland Counties, New York
AU  - G. E. Andreasen
AU  - F. C. Smith
PY  - 1962
DO  - 10.3133/gp340
UR  - https://pubs.usgs.gov/publication/gp340
ID  - gp340
ER  -