4 maps, 2 folding; 21 of 22 lithograph plates, some tinted. 576pp. 8vo, 19th century boards, crudely rebacked in library cloth; (ex-lib, corners worn, light foxing including most plates). Washington: Blair and Rives, 1845.
U.S. 28th Congress, 2nd Session, House Doc. No. 166. This copy lacks the large folding map in back and one of fossil plates. The map of the Great Salt Lake is chipped in the margin. The folding map of the route through the Sierra Nevadas has been repaired with no loss of text. That map has several small holes in blank areas and has several small chips on the edge. The last page is part of a table and is torn with a half page loss of text. Howes F-370. Wagner-Camp 115:2. Streeter Sale V, 3131. Cowan p. 223-4. Graff 1436.
Edition: First Edition