Elk River ARMS (MN-WI)

Survey type M-A (magnetic; derived from analog data)
Flown by USGS
Date flown 08/61-09/61
Line spacing 1.61 (km)
Altitude 152.4 (m) above ground
Total distance 16,093 (km)
References
Counties Anoka - Benton - Carver - Chisago - Dakota - Goodhue - Hennepin - Isanti - Kanabec - Le Sueur - McLeod - Meeker - Mille Lacs - Morrison - Pine - Ramsey - Renville - Rice - Scott - Sherburne - Sibley - Stearns - Todd - Washington - Wright - Burnett - Pierce - Polk - Saint Croix
Overlapping surveys

Data: Magnetic (M-A)