Contains 37 loose and folding lithographed maps (13 with hand-coloring and 2 with colors printed) varying in size from 62.2x50.7 cm. to 74x63.2 cm. Each are 22x15¼" when folded, plus title page and contents leaf present. Not bound, as issued.

Facsimile maps taken from the scarce originals that date from 1798 to 1895, including: four by Vancouver from 1798 with his General Map N.W. Coast of America, with Portland and Lynn Canals, etc.; Russian Map (Enclosure in Sir C. Bagot's Despatch) 1802; Langsdorff's Map (1803-5); four by Arrowsmith of North America (2 colored) 1822-24, 1863; two of North America (colored) by Faden (1823-24); Herbert's Colonial Manuscript Map (colored) 1831; Bouchette's North America (colored) 1831; Greenhow's Map (1844); Sir George Simpson's Map (1847); Hudsons Bay Company's North America map (colored) 1850; H.B. Co. & Arrowsmith's Map of North America (colored) 1857; four Admiralty maps 1868 & 1884; Hunter's Tracing of Stikine River (1877); U.S. Map, Tracing Certified by J.S. Dennis (1878); three of Petroof's Alaska (2 colored) 1880-1882; two U.S. Coast Survey Tracing in Sessional Papers (1888), and S.E. Alaska British Commission Map (colored) 1895; plus various Russian maps.