TY  - RPRT
TI  - Aeromagnetic map of the Gaithersburg and part of the Sandy Spring quadrangles, Montgomery County, Maryland
AU  - Jean Blanchett
AU  - N.S. Tyson
AU  - E.F. McGowan
PY  - 1963
DO  - 10.3133/gp395
UR  - https://pubs.usgs.gov/publication/gp395
ID  - gp395
ER  -