Description: This polygon dataset shows the outlines of states, counties,
and county equivalents (Louisiana parishes, Alaska boroughs, Puerto Rico
municipalities, and U.S. Virgin Islands districts). The data were
provided by the U.S. Census Bureau. EPA joined these boundaries with a
forest carbon data set to create a map of forest carbon trends by
county.
<br><A HREF="https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B3F6540D7-2F8A-4DC7-AF65-5F7A3E4CBD31%7D" target="_blank"><IMG SRC="https://edg.epa.gov/clipship/doc/metadata.png" BORDER=0></A>
Description: This polygon dataset depicts the density of forest biomass in counties across the United States, in terms of metric tons of carbon per square mile of land area. These data were provided in spreadsheet form by the U.S. Department of Agriculture (USDA) Forest Service. To produce the Web mapping application, EPA joined the spreadsheet with a shapefile of U.S. county (and county equivalent) boundaries downloaded from the U.S. Census Bureau, and EPA calculated biomass density based on the area of each county polygon. These data sets were converted into a single polygon feature class inside a file geodatabase.
<br><A HREF="https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7BC4F8FE9C-FC14-4402-A37F-AEC5986A6DAC%7D" target="_blank"><IMG SRC="https://edg.epa.gov/clipship/doc/metadata.png" BORDER=0></A>
Description: This polygon dataset shows the outlines of states, counties,
and county equivalents (Louisiana parishes, Alaska boroughs, Puerto Rico
municipalities, and U.S. Virgin Islands districts). The data were
provided by the U.S. Census Bureau. EPA joined these boundaries with a
forest carbon data set to create a map of forest carbon trends by
county.
<br><A HREF="https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B90635351-C1A7-48F4-9D4E-8B39F3B4EE61%7D" target="_blank"><IMG SRC="https://edg.epa.gov/clipship/doc/metadata.png" BORDER=0></A>