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In hachures with a light cream under-tint. Topographical Assistants included: J.C. Spiller 1877, Anton Karl 1878, and C.P. Kahler 1878.
A collection of 135 Topographical, Land Classification, and Geological Atlas sheets. An almost complete collection of all the Wheeler survey maps originally owned by the Salt Lake Mining Institute. I have since added maps to make it nearly a complete set, following the listing in P1281 (which lists 179 sheets, many of which are duplicates of sheets with minor variations). Many of the sheets in the original Salt Lake Mining Institute set have the signature of Ovando Hollister, an important figure in western mining history.