Aeromagnetic map of Minnesota, north-central region--Blackduck quadrangle, total magnetic intensity anomaly

Chandler, V.W.Lively, R.S.2010-04-012010-04-011998https://hdl.handle.net/11299/60069Scale 1:100,000, 1 pl.en-USAeromagnetic map of Minnesota, north-central region--Blackduck quadrangle, total magnetic intensity anomalyMap