Baltimore (MD-PA-VA-WV)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by Texas Instruments
Date flown 11/77-12/77
Line spacing 4.8 and 9.6 (km)
Altitude 121.9 (m)
Total distance 4,250 (km)
References
Counties Anne Arundel - Baltimore - Carroll - Cecil - Frederick - Harford - Howard - Kent - Montgomery - Prince George's - Queen Anne's - Washington - Baltimore - Adams - Chester - Cumberland - Franklin - Fulton - Lancaster - York - Clarke - Fairfax - Fauquier - Loudoun - Berkeley - Jefferson
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)