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This is a coverage of the Colorado Plateau coal assessment study area. The study area outline was drawn on the county lines that most closely outline the coal-bearing rocks in the Colorado Plateau Region. The county outlines originate from a national coverage for which lines were extracted from U.S. Census 1990 TIGER/line files using an AML program written by Nebert, D., and Negri, M., USGS-Water Resources Division (WRD), running on two Data General 6220 servers.
Categories: Data,
pre-SM502.8;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Arizona,
Census Bureau,
Colorado,
Colorado Plateau,
Colorado Plateau coal assessment,
Primary roads, secondary roads, local roads, and railroads
Primary roads, secondary roads, local roads, and railroads
Alaska Native Regional Corporations (ANRC), Tribal Subdivisions, American Indian Reservations (AIR), Hawaiian Home Lands (HHL), Alaska Native Village Statistical Areas (ANVSA), Oklahoma Tribal Statistical Areas (OTSA), State Designated Tribal Statistical Areas (SDTSA), Tribal Designated Statistical Areas (TDSA), American Indian Joint-Use Areas (AIJUA)
This thematic map presents the population density in the United States in 2010. Population density is the number of people per square mile. It is calculated by dividing the total population count of geographic feature by the area of the feature, in square miles. The area is calculated from the geometry of the geographic feature in projected coordinates. The geography depicts states at greater than 25m scale, counties at 1m to 25m scale, Census Tracts at 250k to 1m scale, and Census Block Groups at less than 250k scale. The map has been designed to be displayed with semi-transparency of about 50% for overlay on other base maps, which is reflected in the legend for the map. For more information on this map, visit...
The US Census Bureau census tracts for the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area (MSA). Tract boundaries are released from the Census Bureau every 10 years. Includes population (POP), dwelling units (DU), race and Hispanic attributes. Source: Census redistricting data [P.L. 94-171] summary files. Downloaded from Metro's RLIS Discovery site on 7/2/2012.
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