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41. Aeromagnetic map of Minnesota, central region, Plate 2
1985. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
42. Aeromagnetic map of Minnesota, Cook and Lake counties, Plate 1
1983. Chandler, Val W. Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected...
43. Aeromagnetic map of Minnesota, Cook and Lake counties, Plate 2
1983. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
44. Aeromagnetic map of Minnesota, east-central region, Plate 1
1983. Chandler, Val W. Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected...
45. Aeromagnetic map of Minnesota, east-central region, Plate 2
1983. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
46. Aeromagnetic map of Minnesota, north-central region - Angle Inlet and Oak Island quadrangles
1998. Chandler, Val W. and Lively, R.S. Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines...
47. Aeromagnetic map of Minnesota, north-central region--Baudette quadrangle
1998. Chandler, Val W. and Lively, R.S. Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines...
48. Aeromagnetic map of Minnesota, north-central region--Bigfork quadrangle
1998. Chandler, Val W. and Lively, R.S. Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines...
49. Aeromagnetic map of Minnesota, north-central region--Blackduck quadrangle
1998. Chandler, Val W. and Lively, R.S. Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines...
50. Aeromagnetic map of Minnesota, north-central region--Fosston quadrangle
1998. Chandler, Val W. and Lively, R.S. Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines...