Airborne geophysical survey PA0368_pg.shp: Pittsburgh ARMS (PA-MD-OH-WV)

Survey type	M-Dz (magnetic; digitized from contour maps)
Flown by	USGS
Date flown	06/60-09/60
Line spacing	1.61 (km)
Altitude	152.4 (m) above ground
Total distance	24,140 (km)
References	Popenoe, Peter, Petty, A.J., Tyson, N.S., 1964, Aeromagnetic map of western Pennsylvania and parts of eastern Ohio, northern West Virginia, and western Maryland; Geophysical Investigation Map 445 https://pubs.er.usgs.gov/publication/gp445 Bates, R.G., 1966, Natural gamma aeroradioactivity map of the Pittsburgh area, Pennsylvania, Ohio, West Virginia, and Maryland; Geophysical Investigation Map 555 https://pubs.er.usgs.gov/publication/gp555
Counties	Allegany - Garrett - Belmont - Carroll - Columbiana - Geauga - Guernsey - Harrison - Jefferson - Mahoning - Monroe - Noble - Portage - Stark - Trumbull - Tuscarawas - Allegheny - Armstrong - Beaver - Butler - Cambria - Clarion - Fayette - Forest - Greene - Indiana - Jefferson - Lawrence - Mercer - Somerset - Venango - Washington - Westmoreland - Brooke - Hancock - Marshall - Monongalia - Ohio - Preston - Wetzel
Overlapping surveys	Canton Clarksburg Cleveland Cumberland Maryland Coop '70 Southeast Ohio Northern Ohio East Central & Northern Penn. Pittsburgh Warren Northern West Virginia

Metadata	Questions & Answers - Outline - Parseable text - XML
Download	PA-MD-OH-WV0368.zip