Report on the geology of northern and southern California, embracing the mineral and agricultural resources of those sections; [electronic resource] with statistics of the northern, southern and middle mines. By Dr. John B. Trask.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. 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 as part of Making of America IV: the American voice, 1850-1877.
