UNT Libraries Government Documents Department - 18 Matching Results

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Well-Liner Clamp.

Description: Patent for a well-liner clamp for oil, gas, and other similar wells that prevents the well from caving in. The well-liner clamp is made of resilient material to hold in place, contracts while being placed into the well, and can be released after being placed into the well to expand to fit the walls of the well.
Date: May 31, 1921
Creator: Bigelow, Robert J.
Item Type: Refine your search to only Patent

Cotton Blocking Machine

Description: Patent for an inexpensive attachment to a cotton cultivator/checking machine to improve the intake capacity of the cultivator itself. The blocking machine would be used to replace the manual labor task of chopping cotton before insertion into the cultivator for processing.
Date: October 19, 1920
Creator: Ford, Barnie S.
Item Type: Refine your search to only Patent

Ballinger Sheet

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 1:125000
Date: 1920
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.75 -99.75

Brady 1-b 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 1:48000
Date: 1925
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.44 -99.19

Brady 2-a 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 1:48000
Date: 1924
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.44 -99.31

Brady 2-b 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 1:48000
Date: 1925
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.44 -99.44

Brady Sheet

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 1:125000
Date: 1920
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.25 -99.25

Coleman Sheet

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 1:125000
Date: 1920
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.75 -99.25

Eden 1-a 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 1:48000
Date: 1924
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.44 -99.56

Eden Sheet

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 1:125000
Date: 1924
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.25 -99.75

Grosvenor 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 1:62500
Date: 1927
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.88 -99.12

Mercury 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 1:62500
Date: 1928
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.38 -99.12

Waldrip 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 1:62500
Date: 1928
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.38 -99.38
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