New York: Julius Bien, 1870. First edition, atlas only, oblong folio. 14 engraved plates, 2 double-page, all but one in color; small stain on title-page. Contemporary half black calf, rebacked, corners worn but touched up; ownership signature on title-page.

First edition. "After the Civil War the U.S. Government continued its patronage of science and surveying in the American West with King, Hayden, Powell, and Wheeler surveys. Clarence King, dubbed 'the best and the brightest of his generation' by his friend, Henry Adams, conducted the survey across the 40th Parallel" (Reese, Stamped with a National Character 76). King's survey was published in seven volumes with two accompanying atlases between 1870 and 1880.