Central route to the Pacific, from the valley of the Mississippi to California [electronic resource]: journal of the expedition of E. F. Beale ... and Gwinn Harris Heap, from the Missouri to California in 1853./ By Gwinn Harris Heap.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 1996. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation.
