Sugar Loaf (MD)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 03/61-04/61
Line spacing 0.4 (km)
Altitude 152.4 (m) above ground
Total distance 2,253 (km)
References
Counties Carroll - Frederick - Howard - Montgomery - Loudoun
Overlapping surveys

Data: Magnetic (M-Dz)