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Hasp-Fastener

Description: Patent for a hasp fastener designed to hold a hasp in a locked position by use of gravity. Illustrations included.
Date: June 16, 1908
Creator: Robinson, Albert W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for improvements in rail-joint by providing “a fastening means for rail-joints adapted to embrace the bottom and top sides of the foot and the sides of the web of the rail and to extend along the underside of the head, so as to brace the joint vertically.” (Lines 16-31) Illustration is included.
Date: October 23, 1900
Creator: Boyd, Henry M. & Redmon, Hope
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spike

Description: Patent for spikes for securing rails to railroad ties. Illustrations included.
Date: November 12, 1912
Creator: Riggins, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Artesian Well Borer.

Description: Patent for a new and improved artesian-well borer. This design "will be actuated by the weight of the connecting-rods and sink-wells in rock, gravel, earth, or sand without the use of water" (lines 13-16). It consists "[i]n an earth or rock auger, the combination, with a tube and a shank reciprocating in said tube and adapted to operate the auger, of dogs adapted to be projected through the tube by the reciprocation of the shank to engage the well-casing and hold the said tube from rotary movem… more
Date: January 20, 1891
Creator: Logan, Thomas H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sierra Blanca Post-Office

Description: Business correspondence written on letterhead from the late 19th century. Letterhead includes decorative designs and business name with the names G. H. Hutchins, Postmaster; F. M. Horn, Deputy.
Date: 189X
Item Type: Refine your search to only Letter
Partner: Texas General Land Office

Ground-Water Development in the El Paso Region, Texas with Emphasis on the Lower El Paso Valley

Description: Investigation of ground water in the lower El Paso Valley, with the goals of updating previous studies of the area, identifying areas of potential fresh water development, and to publish the results into a guide.
Date: June 1980
Creator: Alvarez, Henry J. & Buckner, A. Wayne
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department

Cerro Alto Mountain Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1979
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.94 -105.94
Partner: UNT Libraries Government Documents Department

Cerro Alto Mountain Quadrangle

Description: Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.94 -105.94
Partner: UNT Libraries Government Documents Department
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