A chart giving an ideal section of the successive geological formations with an actual geological section, from the Atlantic, to the Pacific Ocean. [electronic resource] The whole illustrated by the characteristic fossils of each formation, by James Hall ...
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.
