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Map of the Iditarod placer fields, Alaska, 1910.

Description: Map shows early twentieth century Alaska settlements, trails, travel distances, settlements, and placers; course of Iditarod River, Otter and Bonanza Creeks, and tributaries; porphyry dike location and surrounding watershed. Relief shown by hachures. Scale [ca. 1:110,000].
Date: 1910
Creator: Dodds, C. B.
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library

Roller-Drill

Description: Patent for a roller drill for drilling deep into rocks which bores small holes and is stronger than other models of roller drills.
Date: May 31, 1910
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Roller-Drill

Description: Patent for a roller drill for boring holes into rocks which is stronger than other roller drills and is constructed differently than his previous patent for a roller drill.
Date: May 24, 1910
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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