GIS Data Sharing - Big Darby Creek Watershed
Available Themes

Topography and Subbasins	Landuse	Biological and Chemical Data	Features
Digital Elevation Model (DEM)	1992 Landuse	Index of Biotic Integrity (IBI)	Whole Counties

Watershed Boundary	1997 Landuse	Qualitative Habitat Evaluation Index (QHEI)	Townships

Third Order Basins	1999 Landuse	Invertebrate Community Index (ICI)	PEMSO Streams

Subbasins	Imperviousness	Compiled IBI 1990-1995	DLG Streams

Hellbranch Basin	Population and Housing Units	STORET Data	Roads

Counties	Digital Orthophoto Quarterquadrangles (DOQQs) Index	Quad Index	Population Projections

2001 Report Development & Change in the Big Darby Watershed		NPDES Data	Major Roads
OSU City & Regional Planning Spring Studio, 2001 (7.17 MB)