Collection
Serial/Series Title
Counties
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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:
1916
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:
1914
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:
1911
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:
1911
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Spike
Patent for spikes for securing rails to railroad ties. Illustrations included.
Date:
November 12, 1912
Creator:
Riggins, William R.
Object Type:
Patent
System:
The Portal to Texas History