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1. Allegheny National Forest Contour - 20ft: Pennsylvania

2000. This dataset displays contour lines covering the Allegheny National Forest (ANF) and surrounding area at 20 foot intervals. Each contour is a line ...

2. Allegheny National Forest Contour 100ft: Pennsylvania

2000. This dataset displays contour lines covering the Allegheny National Forest (ANF) and surrounding area at 100 foot intervals. Each contour is a lin...

3. Average Annual Precipitation (PRISM model) 1961 - 1990: Pennsylvania

2000. George Taylor, the Oregon Climate Service at Oregon State University Chris Daly, Spatial Climate Analysis Service. This map layer shows polygons of average annual precipitation in the contiguous United States, for the climatological period 1961-1990. Parameter-e...

4. Census Tracts: Philadephia, Pennsylvania

2000. Philadelphia City Planning Commission (PCPC) Department - GIS Division. Census bureau statistical units. Most commonly used statistical unit. This version, released January 2004 contains a fix, replacing tract 172 which...

5. Children, Ages 5 to 17, from Families in Poverty in 2004, by School District: Indiana

2000. United States Census Bureau. Data regarding children (ages 5 to 17) from families in poverty in Indiana in 2004, tabulated by school district, were obtained from a Web page of ...

6. Council Districts: Philadephia, Pennsylvania

2000. Philadelphia City Planning Commission. District Boundaries of Municipal Legislators.

7. Delaware Water Gap Landuse: Pennsylvania

2000. US Geological Survey (USGS). Landuse for the Delaware Water Gap and Surrounding watersheds and tributaries.

8. Fault Lines - Topographic Change in Philadelphia, During the Last Century: Pennsylvania

2000. United States Geological Survey. A scope of work was developed in response to a request by the U. S. Army Corps of Engineers, Philadelphia District. The request was to perform a to...

9. Floodplain: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. In an effort to expedite the permit review process for Water Obstruction and Encroachment Applications, the Pennsylvania Department of Environmenta...

10. Forest Economic Model - Resource Lands Assessment for the Chesapeake Bay Watershed

2000. Chesapeake Bay Program. Multiple TIFF and layer files pertaining to forest economics of the Chesapeake Bay watershed. The objective of this analysis was to identify forest...