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USGS 1:6000 (Quarter-Quarter 7 1/2 Minute) Quadrangle Index
This is a mathematically generated grid in which each polygon represents one quarter of the already quartered 225 second (or 3 3/4 minute) data resource, or a quarter-quarter of... -
Potentially Wet Histosols in Minnesota
The Potentially Wet Histosols in Minnesota was created by the MNDNR to display the extent of peatlands across the state using the best available data. For the purposes of this...