Geology & Topography

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

Aggregates – Field Observations

Data Source:MN Dept. of Natural Resources

Aggregates – Pits, Quarries, Prospects

Data Source:MN Dept. of Natural Resources

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Aggregates – Sand & Gravel Potential

Data Source:MN Dept. of Natural Resources

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Bedrock Geology – County Atlas

Data Source:MN Geological Survey

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Bedrock Geology – Paleozoic

Data Source:MN Geological Survey

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Bedrock Geology – Precambrian

Data Source:MN Geological Survey

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Boring Locations – Drill Core Library

Data Source:MN Dept. of Natural Resources

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BWCAW – Minerals Mgmt. Corridor

Data Source:MN Dept. of Natural Resources

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Cuyuna Range Natural Iron Ore Mine and Ore Reserve Properties

Data Source:Natural Resources Research Institute

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Cuyuna Range Underground Mine Drifts

Data Source:Natural Resources Research Institute

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Cuyuna Range Underground Mine Shafts

Data Source:Natural Resources Research Institute

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Cuyuna Range Underground Mined Extents

Data Source:Natural Resources Research Institute

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Cuyuna Range Underground Mines

Data Source:Natural Resources Research Institute

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Depth to Bedrock – Arrowhead

Data Source:MN Geological Survey

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Depth to Bedrock – State

Data Source:MN Geological Survey

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EB – Index – Top 5%

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

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Geochemistry – Groundwater – Arsenic

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Calcium

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Chloride

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Cobalt

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Copper

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Magnesium

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Nickel

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Potassium

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Sodium

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Sulfate

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Sulfur

Data Source:MN Geological Survey

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Geochemistry – Groundwater – Zinc

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Arsenic

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Calcium

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Cobalt

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Copper

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Magnesium

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Nickel

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Potassium

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Sodium

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Sulfur

Data Source:MN Geological Survey

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Geochemistry – Soil Parent Material – Zinc

Data Source:MN Geological Survey

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Geomorphology

Data Source:MN Dept. of Natural Resources

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Gravity

Data Source:MN Geological Survey

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Ilmenite

Data Source:MN Dept. of Natural Resources, Natural Resources Research Institute

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Inventory of Landslides – Deposits

Data Source:U.S. Geological Survey, The Freshwater Society

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Inventory of Landslides – Historic Lanslides

Data Source:U.S. Geological Survey, The Freshwater Society

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Iron Ranges – Mine Infrastructure

Data Source:Natural Resources Research Institute

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Iron Ranges – Mine Pits

Data Source:Natural Resources Research Institute

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Iron Ranges – Mine Stockpiles

Data Source:Natural Resources Research Institute

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Iron Ranges – Mine Tailings

Data Source:Natural Resources Research Institute

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Karst Feature Inventory Points

Data Source:University of Minnesota, Minnesota Department of Natural Resources

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Magnetic Intensity

Data Source:Minnesota Geological Survey

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Mesabi Range Documented Mine Shafts

Data Source:MN Dept. of Natural Resources

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Mesabi Range Outlines of Underground Caved Areas

Data Source:MN Dept. of Natural Resources

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Mesabi Range Underground Mine Parcels

Data Source:MN Dept. of Natural Resources

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Mesabi Range Underground Mine Properties

Data Source:MN Dept. of Natural Resources

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Mesabi Range Underground Mine Workings

Data Source:MN Dept. of Natural Resources

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Mineral Leases – Active

Data Source:MN Dept. of Natural Resources

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Mineral Leases – Historic

Data Source:MN Dept. of Natural Resources

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Mineral Potential Projects

Data Source:MN Dept. of Natural Resources

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Peat Leases – Active

Data Source:MN Dept. of Natural Resources

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Peat Leases – Historic

Data Source:MN Dept. of Natural Resources

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Pollution Sensitivity – Near-Surface Materials

Data Source:MN Dept. of Natural Resources

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Quaternary Geology

Data Source:MN Geological Survey

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Slope

Data Source:MN Dept. of Natural Resources

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Soils – Drainage Class

Data Source:Natural Resources Conservation Service

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Soils – Farmland Class

Data Source:Natural Resources Conservation Service

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Soils – Flooding Frequency Class

Data Source:Natural Resources Conservation Service

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Soils – Gravel Source

Data Source:Natural Resources Conservation Service

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Soils – Grid – Drainage Index

Data Source:MN Dept. of Natural Resources

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Soils – Grid – Hydric Rating

Data Source:MN Dept. of Natural Resources

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Soils – Grid – Productivity Index

Data Source:MN Dept. of Natural Resources

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Soils – Sand Source

Data Source:Natural Resources Conservation Service

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Soils – Surface Texture

Data Source:Natural Resources Conservation Service

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Topography – Digital Elevation Model

Data Source:US Geological Survey

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Topography – Hillshade (1 m)

Data Source:MN Dept. of Natural Resources, Others

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Topography – Normalized Digital Surface Model – 2011

Data Source:MN Dept. of Natural Resources

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