Airborne geophysical survey MD0684_pg.shp: Maryland Coop '70 (MD-WV-VA-PA)

Survey type	M-Dz (magnetic; digitized from contour maps)
Flown by	USGS
Date flown	06/70
Line spacing	1.61 (km)
Altitude	1066.8 (m) by barometer measurement
Total distance	5,359 (km)
References	U.S. Geological Survey, 1972, Aeromagnetic map of Cumberland and vicinity, Maryland and adjacent states; Geophysical Investigation Map 842 https://pubs.er.usgs.gov/publication/gp842
Counties	Allegany - Frederick - Garrett - Washington - Bedford - Fayette - Franklin - Fulton - Somerset - Loudoun - Berkeley - Grant - Hampshire - Jefferson - Mineral - Morgan - Preston
Overlapping surveys	Baltimore Cumberland Sugar Loaf Northern Maryland Pittsburgh ARMS Central & Northern Penn. Ft. Belvoir ARMS Culpeper Basin Northern West Virginia

Metadata	Questions & Answers - Outline - Parseable text - XML
Download	MD-WV-VA-PA0684.zip