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61. Aeromagnetic map of Minnesota, St Louis county, 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...
62. Aeromagnetic map of Minnesota, St Louis county, 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...
63. Aeromagnetic map of Minnesota, west-central region, Plate 1
1987. 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...
64. Aeromagnetic map of Minnesota, west-central region, Plate 2
1987. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
65. Afghanistan: with additions to railways up to March 1892.
1892. Survey of India. Scale 1:1,520,640 ; Conic projection Relief shown as hachures and heights in feet. Shows: international boundaries, railways, roads, tracks. 82 x 1...
66. Africa, according to Mr. D'Anville: with several additions & improvements, with a particular chart of the Gold Coast
1772. Robert Sayer and Jean Baptiste Bourguignon d' Anville. Scale approximately 1:8,300,000. Hand colored. Pictorial relief. Insets: A chart of the Gold Coast ... [1:1,150,000]--[Azores or Western Islands, s...
67. Africa, according to Mr. D'Anville: with several additions & improvements, with a particular chart of the Gold Coast wherein ar
1772. Robert Sayer and Jean Baptiste Bourguignon d' Anville. Scale approximately 1:8,300,000. Hand colored. Pictorial relief. Insets: A chart of the Gold Coast ... [1:1,150,000]--[Azores or Western Islands, s...
68. Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 1
2001. Meyer, Gary N. and Lusardi, Barbara A. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...
69. Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 2
2001. Meyer, Gary N. and Lusardi, Barbara A. Aggregate (crushed rock, sand and gravel) sources and potential of Chisago County, scale 1:100,000.
70. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 1
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...