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Data are available as a geodatabase and include information such as housing densities for 1990, 2000, 2010, and 2020; wildland vegetation percentages for 1992, 2001, 2011, and 2019; as well as WUI classes in 1990, 2000, 2010, and 2020.", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 102744, "latestWkid": 3567, "xyTolerance": 0.003280833333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -120766900, "falseY": -85132800, "xyUnits": 3048.0060960121928, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Financial support was provided by the USDA Forest Service under the National Fire Plan. Funding also provided by USDA Forest Service, Northern Research Station. Data obtained from the U.S. Census and USGS National Land Cover Data, see source citations noted below for more details. Author Information: Volker C. Radeloff SILVIS Lab, Dept of Forest & Wildlife Ecology, University of Wisconsin-Madison David P. Helmers SILVIS Lab, Dept of Forest & Wildlife Ecology, University of Wisconsin-Madison Miranda H. Mockrin USDA Forest Service, Northern Research Station Amanda R. Carlson SILVIS Lab, Dept of Forest & Wildlife Ecology, University of Wisconsin-Madison Todd J. 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