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Water Quality in the Blaine Aquifer of Texas

Description: "The purpose of this report is to describe the water quality of the Blaine Aquifer, particularly as compared with public drinking water standards, and to analyze, if possible, any changes in water quality over time."
Date: May 2011
Creator: Hopkins, Janie & Muller, Chris
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Childress County

Description: Map of Childress County, Texas, including the Panhandle Plains region. The Initial Monument is located on the border between Texas and Oklahoma, as shown on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: May 2, 1883
Item Type: Refine your search to only Map
Partner: Texas General Land Office

Mouse-Guard for Pianos.

Description: Patent for "an upright device for closing the opening in the front of a piano directly below a pedal to thereby render the piano mouse proof" (lines 8-11). The device utilizes spring tension to operate.
Date: May 21, 1918
Creator: Bell, Silas D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Chest for Piston-Valves.

Description: Patent for a valve chest "fitted for the reception and operation of a piston valve, easily applying to a piston cylinder of a locomotive in place of a removed slide-valve chest without loss of the cylinder, adapting to use superheated steam and high pressure." (lines 11-19).
Date: May 23, 1916
Creator: Dawson, Lance L. & Roach, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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