Territorial Utah Oregon American West 1854 Cowperthwait beautiful hand color mapA New Map of the state of California, the Territories of Oregon, Washington, Utah & New Mexico. Published 1850 55, Phila. by Thomas, Cowperthwait & Co. (This variant issue likely being 1854 despite the imprint at bottom stating 1850. There are several variants of this map which all display the same 1850 imprint but were released across years within atlases having later title page dates.). Beautiful mid 19th century (engraved) lithographed map with