-
Federal
U.S. block-level population density rasters for 1990, 2000, and 2010
Department of the Interior —
This dataset consists of three raster datasets representing population density for the years 1990, 2000, and 2010. All three rasters are based on block-level census... -
Federal
1990 population density by block group for the conterminous United States
Department of the Interior —
This data set represents 1990 population density by block group as a 100-m grid using data from the 1990 Census of Population and Housing (Public Law 94-171... -
Federal
City locations for all places in the TIGER files
Department of the Interior —
City locations for all places in the TIGER files; this file was extracted from dbf files posted on the internet by the Bureau of the Census. This is basically a... -
Federal
1990 point population coverage for the Conterminous United States
Department of the Interior —
This is a point coverage of the 1990 Census of Population and Housing for the conterminous United States. (Alaska and Hawaii are available separately). The coverage... -
Federal
Calculated Leached Nitrogen from Septic Systems in Wisconsin, 1850-2010
Department of the Interior —
This data release contains a netCDF file containing decadal estimates of nitrate leached from septic systems (kilograms per hectare per year, or kg/ha) in the state... -
Federal
Location and population served by domestic wells in California
Department of the Interior —
This dataset identifies the number of individually-owned domestic wells, and the number of households relying upon domestic water supply in the state of California.... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Population Density from U.S. Block-Level Population Density Rasters for 1990
Department of the Interior —
This tabular data set represents population density, persons per square kilometer from 1990 Census block level data, processed by James Falcone (USGS, 2016), compiled... -
Federal
Enhanced National Land Cover Data 1992 revised with 1990 and 2000 population data to indicate urban development between 1992 and 2000 (NLCDep0306)
Department of the Interior —
This 30-meter resolution raster data set of land cover for the conterminous United States ("NLCDep0306") was designed to describe conditions representative of the... -
Federal
Location of Septic Sewer Systems in the Pacific Northwest
Department of the Interior —
Septic systems are useful for removing and processing human waste. However, they have the potential of leaking or discharging waste into the nearby system and... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 2010, Block-group method (BGM) dataset
Department of the Interior —
The 1990 census was the last nationally consistent survey of a home’s source of water, and has not been surveyed since. The associated larger work presents a method... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 2000, Road-enhanced method (REM) dataset
Department of the Interior —
The 1990 census was the last nationally consistent survey of a home’s source of water, and has not been surveyed since. The associated larger work presents a method... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 2010, Road-enhanced method (REM) dataset
Department of the Interior —
The 1990 census was the last nationally consistent survey of a home’s source of water, and has not been surveyed since. The associated larger work presents a method... -
Federal
Domestic well locations and populations served in the conterminous U.S.:1990
Department of the Interior —
In this dataset we present two maps that estimate the location and population served by domestic wells in the contiguous United States. The first methodology, called... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 2000, Block-group method (BGM) dataset
Department of the Interior —
The 1990 census was the last nationally consistent survey of a home’s source of water, and has not been surveyed since. The associated larger work presents a method... -
Federal
Districts for 104th Congress
Department of the Interior —
This is a polygon coverage of 104th Congressional District boundaries obtained from the U.S. Bureau of the Census. The 103rd Congress was the first Congress that... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 1990, Road-enhanced method (REM) map.
Department of the Interior —
In this dataset we present two maps that estimate the location and population served by domestic wells in the contiguous United States. The first methodology, called... -
Federal
Domestic well locations and populations served in the contiguous U.S.: 1990, Block-group method (BGM) map.
Department of the Interior —
In this dataset we present two maps that estimate the location and population served by domestic wells in the contiguous United States. The first methodology, called...