At head of title: Dep't of Interior. U.S. Geological survey of the territories. P.V. Hayden, U.S. geologist-in-charge.
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Mode of access: Internet.
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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.