2 volumes, comprising: text, small 4to; atlas, large oblong folio. Text: numerous chromolithograph plates, maps, etc. Modern green cloth (institutional stamps on spine and text block). Atlas: 14 engraved plates (2 double-page, all but one in color); original half olive morocco gilt, gilt-lettered boards (joints touched up, bookplate removed). Provenance: J.B. Hastings (early ownership signature on text volume title-page); University of Idaho Library (embossed stamp on text volume title-page, stamps on text block).

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.