Search for all of "Mining", all of "Knowlton A D Snelgrove H H"

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Map of Pioche mines, Ely Mining District, Lincoln County, Nevada, 1909 'A.D. Knowlton, Mining Engineer, Pioche, Nevada; H.H. Snelgrove, Draftsman, Salt Lake City, Utah. Copyright 1909 Rufus K. Cobb.' Includes township and range grid; Includes wagon roads.

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