EXPLORATION OF THE COLORADO RIVER OF THE WEST AND ITS TRIBUTARIES. EXPLORED IN 1869, 1870, 1871, AND 1872, UNDER THE DIRECTION OF THE SECRETARY OF THE SMITHSONIAN INSTITUTION. Washington: Government Printing Office, 1875. 29.3x22.5 cm (quarto), pp. [1-4] [i-vii] viii [ix] x-xi [xii] [1-3] 4-291 [292: blank], 68 inserted plates with 80 wood-engraved illustrations, many after photographs, folded map and folded profile in pocket at rear, original full legal sheep, red and black leather title pieces affixed to the spine panel. First edition. Account of the first descent of the Colorado River, by geologist Powell, who was to become the second head of the U.S. Geological Survey. "Powell's report is one of the basic documents of Colorado River history ..." (Farquhar). The large folded map is "Green River from the Union Pacific Railroad to the Mouth of White River. 1873. Scale: 4 miles = 1 inch." Farquhar, The Books of the Colorado River & the Grand Canyon 42a. Graff 3336. Howes P528. Sabin 64753. Spine ends worn with shallow loss, hinges repaired, offsetting to margins of endpapers and flyleaves from acidic leather, mild internal foxing (much less than usual), some foxing to folded map and folded profile, mostly margins, a very good copy. The text paper and plates are in superior condition for this book. (#167038).
No statement of printing.