Below you will find a list of data sets and maps available through ERSAC. Please submit any questions about specific data or documents to the person in charge of the project in question. E-mail addresses for all ERSAC partners can be found by clicking "Partners" on the menu at the left.
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Data Type |
Area / Region |
Contact |
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Regional/Midwest |
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AVHRR |
Conterminous US |
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1:100,000 DLGs |
MN, WI, MI |
Raju Vasatvai |
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1:24,000 DRGs |
About half of 8 states: MN, WI, MO, MI, IN, IL, OH, IA |
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1:24,000 DRGs |
MN, WI, MI |
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1:250,000 DEMs |
United States |
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Basemap GIS data |
WI |
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TM Images |
North central WI |
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Statewide MN |
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1:100,000 DEMs |
MN |
Dan Wheeler |
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1:100,000 DEMs (seamless) |
Scott, Sibley county |
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1:24,000 DEMs |
Parts of MN River Valley (24 in total) |
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DOQs |
MN |
Dan Wheeler |
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DOQs (5m seamless) |
Scott, Sibley county |
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DOQs |
Ramsey, Hennepin, Dakota, Carver, Scott, Sibley,LeSueur,Nicollet, Blue Earth, Chisago,Washington, Rice, Waseca, Steele, Anoka, Douglas |
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MN DOT Basemap GIS data 1998 & 1999 |
MN |
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Wright's Physiographic Areas |
MN |
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Soil Survey Data |
Scott (outdated), Sibley county |
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NWI |
State of MN |
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Various TM & ETM+ Images |
State of MN |
Marv Bauer, Leif Olmanson |
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Twin Cities Metro |
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Land Use/Cover |
Twin Cities (TC) |
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TM & ETM+ Images (UTM Nad 83) |
Twin Cities |
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