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The Evening Telegraph's Cripple Creek : Showing all patented mining claims to November, 1893, accurately compiled from the latest official data and surveys.

Description: Map shows named and numbered mining claims, mining camps, township grid, roads, railroads, and towns for the Cripple Creek mining district throughout El Paso and Fremont Counties; street layout for Cripple Creek. Includes illustration. Inset: Key map showing geographical positions of Cripple Creek Mining Districts. Relief shown by hachures, spot heights, and pictorially. Scale [ca. 1:18,000].
Date: 1893
Creator: Evening Telegraph (Colorado Springs, Colo.)
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library

Post-Driver.

Description: Patent for a machine that drives posts and "can be placed on the running gear of a vehicle in such a manner that it can be readily adjusted to operate on posts at either side of the longitudinal axis of the vehicle" (lines 14-18). It can be easily adjusted and is simply constructed.
Date: April 18, 1893
Creator: Harris, Stephen G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ore-Separator.

Description: Patent for an improved, efficient, simple, and durable ore separator that quickly separates precious metals from sand. The operator puts the unfiltered material in the top of the separator, the material goes down a slide, through a stirrer, and out the other end.
Date: August 15, 1893
Creator: Dilworth, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Caisson-Driver.

Description: Patent for an improved machine that sinks caissons into gravel or mud in order to make a foundation for breakwater, jetty, bridge, or similar purpose. It applies continuous and heavy pressure to the caisson during operation, and "is provided with a jet apparatus to force the sand and mud from within the caisson and cause it to settle around the outer portion of the same, thus holding it firmly in place, and which in general enables a caisson foundation to be laid with great facility and in a su… more
Date: April 4, 1893
Creator: Perrenot, Theodore F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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