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You searched for: Subject Environment Remove constraint Subject: Environment Contributor Purdue Remove constraint Contributor: Purdue Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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1. DOQQ 1998: Indiana

1998. IndianaMap ArcGIS Online. 1998-99 Aerial Photos (USGS DOQQs), (1:12,000) - Shows the 1998-1999 Digital Orthophoto Quarter Quadrangle (DOQQ) imagery of Indiana, produced by ...
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5. Natural Regions: Indiana (Web Map Service)

1984. IndianaMap ArcGIS Online. Natural Regions, 1984 (1:800,000) - Shows the natural regions and their subsections. Obtained from the Indiana Department of Natural Resources, Div...
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7. USGS Topographic Maps: Indiana, 1996 (1:24,000)

1996. IndianaMap ArcGIS Online. USGS Topographic Maps, 1996 (1:24,000) - Shows the digital color imagery (Digital Raster Graphics, referred to as DRGs) of topographic quadrangle m...