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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Time Period 2005-2009 Remove constraint Time Period: 2005-2009
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13.
Raster

Chesapeake Bay Watershed Land Cover Data Series 2006 penn-state

2006. United States Geological Survey (USGS). To better understand how the land is changing and to relate those changes to water quality trends, the USGS funded the production of a Chesapeake B...

15.
Raster

Conservation Resources: Pennsylvania penn-state

2006. This raster dataset is a compilation of three groups of data including Aquatic Resources, Terrestrial Resources, and Rarity. Several data sets were...

16.
Raster

Contiguous Grasslands: Pennsylvania penn-state

2006. This raster dataset has been created using "Pennsylvania Land Cover dated 1992" developed by the EROS Data Center for EPA Federal Region III (see m...

17.
Raster

Contiguous Scrub Transitional: Pennsylvania penn-state

2006. This raster dataset has been created using "Pennsylvania Land Cover dated 1992" developed by the EROS Data Center for EPA Federal Region III (see m...

18.
Vector

Contours: Allegheny County, Pennsylvania penn-state

2006. Allegheny County Division of Computer Services Geographic Information Systems Group. Contour data was created as a result of a county flyover in the spring of 2004. Contours were created from a DTM Feature Dataset, upgraded by Baker...

19.

Cropland Data Layer 2006: Minnesota minnesota

2006. National Agricultural Statistics Service (NASS), United States Department of Agriculture (USDA). The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) Cropland Data Layer (CDL) is a raster, geo-refe...

20.

Cropland Data Layer 2007: Minnesota minnesota

2007. National Agricultural Statistics Service (NASS), United States Department of Agriculture (USDA). The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) Cropland Data Layer (CDL) is a raster, geo-refe...