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958 results returned

  1. Title: Bedrock geology of the Mesabi Iron Range, Minnesota, M-163

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mesabi Iron Range, scale 1:100,000.

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  2. Title: Geologic atlas of Crow Wing County, Minnesota, C-16, Part A, Plate 2, Bedrock Geology

    Contributors:

    Summary: Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams, scale 1:100,000, Crow Wing County.

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  3. Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 2, Bedrock Geology, Bedrock Topography, and Depth to Bedrock

    Contributors:

    Summary: Maps showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), elevation of the bedrock surface (bedrock topography) and thickness of unconsolidated (glacial and stream sediments) material over the bedrock surface, scale 1:200,000, Pope County.

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  4. Title: Maps of bedrock geology and superimposed magnetic on gravity (SMOG) anomaly for east-central Minnesota, M-132

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments); gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of east-central Minnesota, scale 1:200,000.

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  5. Title: Superimposed magnetic on gravity anomaly map of southwest Minnesota, M-122

    Contributors:

    Summary: Gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of southwestern Minnesota, scale 1:250,000.

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  6. Title: Superimposed magnetic on gravity anomaly map of the Duluth Complex and related rocks, northeastern Minnesota, M-120

    Contributors:

    Summary: Gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of the Duluth complex and related rocks, scale 1:200,000.

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  7. Title: Superimposed magnetic on gravity anomaly map of the Central Duluth Complex and western part of the Beaver Bay Complex, Lake and St Louis Counties, Minnesota, M-117

    Contributors:

    Summary: Gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of the central Duluth complex, scale 1:100,000.

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  8. Title: Geologic map of the Duluth Complex and related rocks, northeastern Minnesota, M-119, Plate 1

    Contributors:

    Summary: Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Duluth Complex, scale, 1:200,000; 1:500,000.

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  9. Title: Geologic map of the Duluth Complex and related rocks, northeastern Minnesota, M-119, Plate 2

    Contributors:

    Summary: Generalized bedrock geology, aeromagnetic data, data base information, scale 1:500,000.

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  10. Title: Geologic atlas of Pine County, Minnesota, C-13, Part A, Plate 3, Supplemental Bedrock Mapping

    Contributors:

    Summary: Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth and associated detailed geologic interpretations of selected areas, scale 1:24,000; 1:300,000, Pine County.

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  11. Title: Bedrock geologic map of northwestern Minnesota, M-92

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,000.

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  12. Title: Bedrock geologic map of the central Duluth Complex and the western part of the Beaver Bay Complex Lake and St Louis Counties, Minnesota, M-101

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of part of the Duluth Complex, scale 1:100,000.

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  13. Title: Aeromagnetic map of Minnesota, north-central region--Bigfork quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  14. Title: Aeromagnetic map of Minnesota, north-central region--Grygla quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  15. Title: Aeromagnetic map of Minnesota, north-central region--Blackduck quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  16. Title: Aeromagnetic map of Minnesota, north-central region--Upper Red Lake quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  17. Title: Aeromagnetic map of Minnesota, north-central region--Fosston quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  18. Title: Aeromagnetic map of Minnesota, north-central region--Baudette quadrangle

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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  19. Title: Gravity and magnetic modeling of the Duluth Complex in the Allen 75-minute quadrangle, St Louis County, Minnesota, M-90

    Contributors:

    Summary: Geophysical (gravity and magnetic) data and modeling of subsurface geology from the geophysical data for part of the Duluth Complex, scale 24,000.

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  20. Title: Aeromagnetic map of Minnesota, north-central region--Little Fork and International Falls quadrangles

    Contributors:

    Summary: Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth.

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