The United States has not resolved most of its Continental Shelf boundaries with other states. The lines on this map are only approximate, and they do no necessarily reflect the positions or views of the United States with respect to those boundaries. Sources of data for the boundaries and the resource information shown on the map are enumerated below.

All Maps

Fundamental Science Practices

USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

Surficial geologic map of the eastern Snake River Plain and adjacent areas, 111 to 115 west, Idaho and Wyoming

Surficial geologic map of the Reno Junction 30' x 60' Quadrangle, Campbell and Weston counties, Wyoming

Surficial geologic map of the Salt Lake City North Quadrangle, Davis and Salt Lake counties, Utah

Surficial geologic map of the Walker Lake 1 degree by 2 degrees Quadrangle, Nevada-California

The properties and uses of selected map projections

Topographic map of Mount St. Helens, Washington, showing changes between April 11 and May 16, 1980

Utility and industrial power sources in the conterminous United States

Vegetation and land cover, Arctic National Wildlife Refuge, coastal plain, Alaska

Viking Lander 1 photomosaic morning scene; camera 1

Viking Lander 1 rectified photomosaics evening scene; camera 1, Mars

Viking Lander 1 rectified photomosaics evening scene; camera 2, Mars

A compilation of subsea energy and mineral resources of the United States including its possessions and Trust Territory of the Pacific Islands

U.S. Geological Survey

U.S. Department of the Interior