Percent of Land in Federal Ownership, 1997
Source: National Resources Inventory, 1997
Map Description:
The shaded polygon map shows the percentage of land owned by the Federal government. The 95% or more category is determined by a combination of actual boundaries of Federal land from the USGS National Atlas of the United States and data from the 1997 National Resources Inventory (NRI). The 50% to 95%, 5% to 50%, and less than 5% are based on 1997 NRI data aggregated by 8- digit hydrologic unit. 402,185,600 acres or 21% of the total land area is Federally owned (excluding Alaska). Federal Land is a land ownership class designating land that is owned by the Federal Government. It does not include, for example, trust lands administered by the Bureau of Indian Affairs nor Tennessee Valley Authority (TVA) land. No data are collected for any year that land is in this ownership.

Cautions for this Product:
This map may not be used to determine site- specific information. No NRI data are available for Alaska. NRI sample data are generally reliable at the 95% confidence interval for state and certain broad substate area analyses. Generally, analyses that aggregate data points by smaller geographic areas and/or more specific criteria result in fewer data points for each aggregation and therefore less reliable estimates. NRI maps reflect national patterns rather than site- specific information.

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