Search Constraints
« Previous |
961 - 976 of 976
|
Next »
Search Results
961. Physiographic Provinces 1:100,000: Pennsylvania
1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...
962. Physiographic Provinces 1:500,000: Pennsylvania
1995. Pennsylvania Bureau of Topographic and Geologic Survey, Dept. of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...
963. Breeding Bird Atlas: Pennsylvania
1994. Daniel W. Brauning and F. B. Gill. Part of the Pennsylvania Gap Analysis Project the Breeding Bird Atlas database indicates bird species and nesting behavior of known birds species i...
964. Toxic chemical Release Inventory data for Pennsylvania
1994. United States Environmental Protection Agency. This data layer includes point locations for Toxic Chemical Release Inventory (TRI) data from the Environmental Protection Agency's Toxic Release I...
965. Boundary of Conneaut Lake: Pennsylvania
1993. Loree Speedy, Western Pennsylvania Conservancy. Boundary of Conneaut Lake, Crawford County, Pennsylvania. This polyline does not include the many docks that extend into the lake.
966. Urban Ecosystem Analysis Landsat interpreted land cover for the Delaware Valley
1993. American Forests. AMERICAN FORESTS conducted an urban ecosystem analysis of the Delaware Valley region to provide community leaders with detailed information about t...
967. Centre County Natural Heritage Inventory (scanned TIFFs): Centre County, Pennsylvania
1991. Centre County Natural Heritage Inventory. The Centre County Natural Heritage Inventory is designed to identify and map important biotic (living) and ecological resources present in Centre C...
968. Council Districts: Philadephia, Pennsylvania
1990. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators.
969. Fractional Vegetation Cover for Northeast Pennsylvania, 1985
1985. Dr. Toby Carlson, Penn State University. Fractional vegetation cover for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. Values range f...
970. Fractional Vegetation Cover for Northwest Pennsylvania, 1985
1985. Dr. Toby Carlson, Penn State University. Fractional vegetation cover for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. Values range f...
971. Fractional Vegetation Cover for Southeast Pennsylvania, 1985
1985. Dr. Toby Carlson, Penn State University. Fractional vegetation cover for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. Values range f...
972. Fractional Vegetation Cover for Southwest Pennsylvania, 1985
1985. Dr. Toby Carlson, Penn State University. Fractional vegetation cover for Pennsylvania was estimated from Thematic Mapper data using algorithms developed by Dr. Toby Carlson. Values range f...
973. Urban Ecosystem Analysis Landsat interpreted land cover for the Delaware Valley
1985. American Forests. AMERICAN FORESTS conducted an urban ecosystem analysis of the Delaware Valley region to provide community leaders with detailed information about t...
974. Geographic Names Information System (GNIS) for Pennsylvania
1981. U.S. Geological Survey. The Geographic Names Information System (GNIS), developed by the U.S. Geological Survey in cooperation with the U.S. Board on Geographic Names (BGN...
975. North American Breeding Bird Survey Routes
1966. Canadian Wildlife Service U.S. Fish and Wildlife Service U.S. Department of the Interior; now at USGS Patuxent Wildlife Research Center. The North American Breeding Bird Survey (BBS), which is coordinated by the Biological Resources Division and Canadian Wildlife Service, is a primar...
976. Twin Cities Historical Surface Waters Based on Original Public Land Survey Maps, 1848 - 1858
1848. Graves, Richard, Strong, Richard, Mattke, Ryan, Kne, Len, Shepard, Coleman, and Kernik, Melinda. These shapefiles of lakes, streams, wetlands, river bottoms, and the Mississippi River represent the hydrological landscape of Minneapolis and St. ...