Maryland Coop '68 (MD-DE)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 05/68
Line spacing 0.8 (km)
Altitude 121.92 (m) above ground
Total distance 3,948 (km)
References
Counties Kent - New Castle - Anne Arundel - Baltimore - Caroline - Cecil - Harford - Kent - Queen Anne's - Chester - Lancaster
Overlapping surveys

Data: Magnetic (M-Dz)