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1. Forest Fire Response Units: Wisconsin, 2013

2013. Wisconsin Department of Natural Resources. Fire Response Units (FRUs) designated by the DNR Forest Protection Bureau. A FRU is the area and equipment for which the personnel at a ranger stat...

2. Forestry Dispatch Groups: Wisconsin, 2013

2013. Wisconsin Department of Natural Resources. A Dispatch Group is a collection of Fire Response Units, or ranger stations that are directed by a single Area Forestry Leader, and dispatched out ...

3. Level III Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to... U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

4. Level IV Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ... U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).