(West) Map of Oregon, California, New Mexico, N.W. Texas & the p

(West) Map of Oregon, California, New Mexico, N.W. Texas & the proposed Territory of Ne.'Bras.Ka., It is a rare inclusion that can be found in some instances of Fremont's “Narrative of The Exploring Expedition...”, it's the famous map of the West by Rufus Sage, which was initially issued in his book “Scenes in the Rocky Mountains”. Rufus Sage was a writer and journalist with a dense flowery writing style that was typical of the time and as he went West in the 1840's, he worked for a fur company and documented his life. He experienced a sizable part of the West from Dakota to Taos, up to Fort Hall and Fort Uintah. His map though, is an amalgam of sources, relying on the great source of Fremont, as well as Mitchell's map of 1846. The preface of the text itself offers that the map is “not the one prepared by the order of the government, but it is one that can be relied upon for its accuracy”. And it is very good for the time and interesting for it's handling of all things east of