UNT Libraries Government Documents Department - 5 Matching Results

Search Results

Results: 1 - 5

Chispa 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: 1911
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.75 -104.75

Single Well Cylinder

Description: Patent for a single well cylinder pump intended to provide more efficient use in a deep well. This cylinder is distinct for its incorporation of a "inwardly opening valve controlling the passage of fluid into an inner cylinder" (p.2, lines 34-37)
Date: December 15, 1914
Creator: Ligon, Arthur Lee
Item Type: Refine your search to only Patent

Valentine 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: 1916
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.75 -104.25

Valentine 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: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.75 -104.25
Back to Top of Screen