Airborne geophysical survey MD3023b_pg.shp: Northern Maryland (MD-PA)

Survey type	M-Dz (magnetic; digitized from contour maps)
Flown by	LKB
Date flown	09/72-11/72
Line spacing	0.8 (km)
Altitude	152.4 (m) above ground
Total distance	2,720 (km)
References	U.S. Geological Survey, 1973, Aeromagnetic map of northern Frederick County, Maryland, and parts of adjacent counties in Maryland and Pennsylvania; Open-File Report 73-291 https://pubs.er.usgs.gov/publication/ofr73291
Counties	Carroll - Frederick - Washington - Adams - Franklin - York - Jefferson
Overlapping surveys	Baltimore Sugar Loaf Baltimore Gneiss Maryland Coop '70 Pennsylvania Triassic '57 Central & Northern Penn. Ft. Belvoir ARMS Northern West Virginia

Metadata	Questions & Answers - Outline - Parseable text - XML
Download	MD-PA3023B.zip