Chandler, V.W.Jirsa, M.A.Morey, G.B.2010-08-062010-08-061997https://hdl.handle.net/11299/929419 pls. Scale 1:100,000. Pl. 1, total field magnetic anomaly reduced to pole; pl. 2, second vertical derivative of the total field magnetic anomaly; pl. 3, second vertical derivative of the simple bouguer anomaly; pl. 4, geophysical interpretation; pl. 5, drillhole and outcrop location; pl. 6, bedrock geology; pl. 7, geophysical model cross-sections; pl. 8, depth to magnetic basement; pl. 9, mineral potential;enMineral potential assessment of northern St. Louis County, southeastern Koochiching County and northeastern Itasca County, MinnesotaReport