Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area.
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1968. Map of Existing Urbanization prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:... Wallace, McHarg, Roberts and Todd.
1968. Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area. Wallace, McHarg, Roberts and Todd.
1968. Map of Foundation Conditions prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:... Wallace, McHarg, Roberts and Todd.
35. Gas Mains
Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area.
1968. Chart of Generalized Geologic Section - Aquifers and Ground Water Movement prepared for the Metropolitan Council as a part of An Ecological Study f... Wallace, McHarg, Roberts and Todd.
1970. Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area.
1968. Chart of Geologic Units and Aquifers prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. ... Wallace, McHarg, Roberts and Todd.
1877. Winchell, N. H. (Newton Horace), 1839-1914. "Geological and Natural History Survey of Minnesota."; Relief shown by hachures.; Shows county boundaries, city boundaries, roads, finished railroa... Photo. Eng. Co (New York).
1968. Chart of Geological Sections 1-6 prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scal... Wallace, McHarg, Roberts and Todd.