National Atlas of the United States

[1] Francis A. Walker, the Superintendent of the 1870 U.S. Census compiled this atlas "with contributions from many eminent men of science and several departments of the government.

[1] The USGS and its chief geographer Dr. Arch C. Gerlach oversaw the preparation and production (which took several years to complete) of the 1970 U.S. National Atlas as well.

[1] These maps showed "scientific information from a variety of Federal sources and depicted the principal characteristics of the country, including its physical features, historical evolution, economic activities, sociocultural conditions, administrative subdivisions, and place in world affairs.

"[1] The 1970 atlas was primarily created for use by United States government officials, researchers, and others who need "to visualize country-wide patterns and relationships between environmental phenomena and human activities".

[1] The USGS led the creation of this edition of the National Atlas, but more than twenty U.S. federal agencies cooperated in producing it.

Its varied products and services included the first online interactive mapping program offered by the Federal government.

A National Atlas map from 2002
National Atlas map (from circa 2005) depicting historical United States territorial acquisitions
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