TY  - RPRT
TI  - Aeromagnetic map of the Seven Valleys quadrangle and part of the Lineboro quadrangle, York County, Pennsylvania
AU  - Randolph Wilson Bromery
AU  - N. C. Natoff
AU  - and others
PY  - 1961
DO  - 10.3133/gp287
UR  - https://pubs.usgs.gov/publication/gp287
ID  - gp287
ER  -