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State
Cities
State of Oregon —
This map layer includes cities and towns in Oregon. These cities were clipped from a larger dataset of cities collected from the 1970 National Atlas of the United... -
Federal
Global Population Density Grid Time Series Estimates
National Aeronautics and Space Administration —
The Global Population Density Grid Time Series Estimates provide a back-cast time series of population density grids based on the year 2000 population grid from... -
Federal
Global Population Count Grid Time Series Estimates
National Aeronautics and Space Administration —
The Global Population Count Grid Time Series Estimates provide a back-cast time series of population grids based on the year 2000 population grid from SEDAC's Global... -
Federal
National Land Cover Data set 1992 (NLCD1992)
National Aeronautics and Space Administration —
National Land Cover Dataset 1992 (NLCD1992) is a 21-class land cover classification scheme that has been applied consistently across the lower 48 United States at a... -
Federal
CDC WONDER: Population (from Census)
U.S. Department of Health & Human Services —
The Population online databases contain data from the US Census Bureau. The Census Estimates online database contains contains county-level population counts for... -
Census Tracts in 1970
District of Columbia —
Census Year 1970 Census Tracts. The dataset contains polygons representing CY 1970 census tracts, created as part of the D.C. Geographic Information System (DC GIS)... -
Built Environment Indicators and Health Map
District of Columbia —
The online tool highlights how close in walking distance DC census tracts are to various features of the built environment spanning nine key drivers--education,... -
County
1974 Lake County Aerial
Lake County, Illinois —
This four foot pixel resolution black and white aerial photography was flown between October 2 and October 10, 1974, at a capture scale of 1": 3,333, flying at an...