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Geology & Topography

Geology, mineral resources, and elevation. Examples: Bedrock Geology, Aggregate Locations, Digital Elevation Model

Aggregates – Field Observations

MN Dept. of Natural Resources

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Aggregates – Pits, Quarries, Prospects

MN Dept. of Natural Resources

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Aggregates – Sand & Gravel Potential

MN Dept. of Natural Resources

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Bedrock Geology

MN Geological Survey

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Boring Locations – Drill Core Library

MN Dept. of Natural Resources

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BWCAW – Minerals Mgmt. Corridor

MN Dept. of Natural Resources

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Cuyuna Range Natural Iron Ore Mine and Ore Reserve Properties

Natural Resources Research Institute

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Cuyuna Range Underground Mine Drifts

Natural Resources Research Institute

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Cuyuna Range Underground Mine Shafts

Natural Resources Research Institute

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Cuyuna Range Underground Mined Extents

Natural Resources Research Institute

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Cuyuna Range Underground Mines

Natural Resources Research Institute

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Depth to Bedrock – Arrowhead

MN Geological Survey

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Depth to Bedrock – State

MN Geological Survey

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EB – Index

MN Board of Water & Soil Resources, Natural Resources Research Institute

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EB – Index – Top 5%

MN Board of Water & Soil Resources, Natural Resources Research Institute, MN Pollution Control Agency

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EB – Soil Erosion Risk

MN Board of Water & Soil Resources, Natural Resources Research Institute

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EB – Wildlife Habitat Quality

MN Board of Water & Soil Resources, Natural Resources Research Institute

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ECS – Land Type Associations

MN Dept. of Natural Resources

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ECS – Provinces

MN Dept. of Natural Resources

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ECS – Sections

MN Dept. of Natural Resources

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ECS – Subsections

MN Dept. of Natural Resources

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Geomorphology

MN Dept. of Natural Resources

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Ilmenite

MN Dept. of Natural Resources, Natural Resources Research Institute

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Iron Ranges – Mine Infrastructure

Natural Resources Research Institute

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Iron Ranges – Mine Pits

Natural Resources Research Institute

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Iron Ranges – Mine Stockpiles

Natural Resources Research Institute

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Iron Ranges – Mine Tailings

Natural Resources Research Institute

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Magnetism

MN Geological Survey

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Mesabi Range Documented Mine Shafts

MN Dept. of Natural Resources

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Mesabi Range Outlines of Underground Caved Areas

MN Dept. of Natural Resources

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Mesabi Range Underground Mine Parcels

MN Dept. of Natural Resources

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Mesabi Range Underground Mine Properties

Natural Resources Research Institute

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Mesabi Range Underground Mine Workings

MN Dept. of Natural Resources

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Mineral Leases – Active

MN Dept. of Natural Resources

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Mineral Leases – Historic

MN Dept. of Natural Resources

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Mineral Potential Projects

MN Dept. of Natural Resources

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Pollution Sensitivity – Near-Surface Materials

MN Dept. of Natural Resources

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Quaternary Geology

MN Geological Survey

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Soils – Drainage Class

MN Dept. of Natural Resources

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Soils – Flooding Frequency Class

MN Dept. of Natural Resources

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Soils – Gravel Source

MN Dept. of Natural Resources

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Soils – Hydric Status

MN Dept. of Natural Resources

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Soils – Sand Source

MN Dept. of Natural Resources

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Soils – Surface Texture

MN Dept. of Natural Resources

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TEU – Superior National Forest

US Forest Service

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Topography – Digital Elevation Model (30m)

US Geological Survey

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Topography – Hillshade (1m)

MN Dept. of Natural Resources, Others

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