Collection
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6 Matching Results
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6
Chispa Sheet
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:
1895
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Sierra Blanca Sheet
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:
1895
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Chispa Sheet
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:
1897
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Fort Hancock Sheet
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:
1894
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Eagle Mountain Sheet
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:
1897
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Artesian Well Borer.
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 movement" (lines 62-68).
Date:
January 20, 1891
Creator:
Logan, Thomas H.
Object Type:
Patent
System:
The Portal to Texas History