New York: J.H. Colton, Publisher, 1864. 8vo, original brown cloth, stamped in blind, with title stamped in gilt on front cover [spine lightly sunned].  pp + 25 Maps on 51 numbered pages, all in color; the map of California is in three folding panels. Other than a small closed tear in the California map [no loss], a Near Fine copy.
Wheat discusses the 'Map of Nebraska Dakota and Montana' at numbered pages 50-51, "termed 'the first map of Montana'." The map of Texas places the eastern boundary of New Mexico too far east - squarely in Texas proper. Colton issued a second edition of the Condensed Atlas in 1865.
FIRST EDITION. LeGear 42. Wheat, Transmississippi West 1100. Phillips, Atlases 1387. Item #25190