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This shapefile represents the 3D building footprints contained within the Jefferson County LiDAR Building Study Area. The LiDAR derived average building heights and lowest adjacent gradient (LAG) of each structure are provided with each polygon. The horizontal datum for this dataset is NAD83 (2011), the vertical datum is NAVD88, Geoid 12B, and the data is projected in Montana State Plane. Horizontal units are in international feet. Vertical units are in US Survey feet. 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