Minnesota Geological Survey
Open File Report OF97-5

Mineral potential assessment of northern St. Louis County,
  southeastern Koochiching County and northeastern Itasca
  County, Minnesota

 V.W.Chandler, M.A.Jirsa, and G.B.Morey

 1997. 9 Plates. scale 1:100,000

the available files here are:

plate1.pdf - Plate 1 total field magnetic anomaly reduced to pole
plate2.pdf - Plate 2 2nd vert. derivative of the total field magnetic anomaly
plate3.pdf - Plate 3 2nd vert. derivative of the simple bouguer anomaly
plate4.pdf - Plate 4 geophysical interpretation
plate5.pdf - Plate 5 drillhole and outcrop locations
plate6.pdf - Plate 6 bedrock geology
plate7.pdf - Plate 7 geophysical model cross-sections
plate8.pdf - Plate 8 depth to magnetic basement
plate9.pdf - Plate 9 mineral potential

index.txt   - a text format listing of GIS coverages, grids, and other
              files included in zip archive "ofr97_5.zip"
ofr97_5.zip - zip file containing GIS coverages, grids, shapefiles, and
              other data used for producing the plates for this study.
              Included is the "index.txt" file listed above which
              lists and describes the other files included.  Zip file
              readers for various platforms to expand files from this  
              zip archive are available for download from the web.

Questions should be directed to Tim Wahl (tewahl@umn.edu) or 
Rich Lively (lively@umn.edu) at the Minnesota Geological Survey
(612-627-4780).