Final report of the United States geological survey of Nebraska and portions of the adjacent territories, made under the direction of the commissioner of the General land office
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 (University of Michigan)) 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.
Mode of access: World Wide Web.
[pt. I] Geology, by F. V. Hayden.--pt. II. Paleontology. Report on the paleontology of eastern Nebraska, with some remarks on the Carboniferous rocks of that district, by F. B. Meek.--pt. III. Entomology. Notes on the Orthoptera collected by Dr. F. V. Hayden in Nebraska, by S. H. Scudder