Scale 1:10,000,000, Lambert azimuthal equal equal area proj., center 100°W, 45°N
(W 188°--W 10°/N 85°--N 10°).
Relief shown by shading and gradient tints.
Includes text.
Listing of printed maps available from 1998- ed. National atlas is on Internet. Address as of 1/24/02: http://www.nationalatlas.gov/atlasmap.html; current access is available via PURL.