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4 Matching Results
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Almeda Quadrangle
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 1:31680
Date:
1920
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Genoa Quadrangle
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 1:31680
Date:
1920
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Mykawa Quadrangle
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 1:31680
Date:
1920
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Combination Well-Packer and Setting-Tool.
Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date:
January 6, 1920
Creator:
Abercrombie, Jamie & Dunman, Nesbit M.
Object Type:
Patent
System:
The Portal to Texas History