Use this map only to identify broad spatial trends. Data are not collected on Federal land. Data are not available for Alaska or the Pacific Basin. Data for Puerto Rico and the U.S. Virgin Islands is shown by 6-digit hydrologic unit. NRI maps reflect national patterns rather than site- specific information.
Land cover is the vegetation or other kind of material that covers the land surface.
Includes all land and water areas where the ownership is by private, municipal, county or parish, state, Indian tribal, individual trust, the Tennessee Valley Authority, or areas under temporary control of a Federal, state, county or municipal agency or government for foreclosure or nonpayment of taxes. Also included are tracts of less than 10 acres that do not meet the above definition but are completely surrounded by Urban and Built-up land. For additional information contact the Resource Assessment Division. Please include the Product ID you are inquiring about. If you use our analysis products, please be aware of our disclaimer .