* MITCHELL, Samuel Augustus and James H. YOUNG. Mitchell's Reference & Distance Map of the United States. Philadelphia: Samuel Augustus Mitchell, 1846 (copyright 1833).

Engraved folding map, overall 1425 x 1796 mm, hand-colored in wash and outline, dissected in 36 sections and mounted on linen, green selvage, marbled paper outer panels. (Damp- and mold-stained, some sections separating from backing at corners.)

Later large-format edition, THE FIRST TO INCLUDE THE INSET MAP OF TEXAS, lower right: A New Map of Texas, Oregon and California with the Regions Adjoining. Compiled from the Most Recent Authorities. Philadelphia: S. Augustus Mitchell...1846 (copyright 1845). (538 x 488 mm). The inset map incorporates Fremont's discoveries in the Great Basin and California, depicts Texas in its entirety, and extends the Oregon Territory into Canada beyond the line of the Treaty of Guadalupe Hidalgo. Rumsey 4308. Sold not subject to return.