Pittsburg 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 1:24,000
Date: 1960
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Pittsburg Quadrangle

Satellite image 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 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Pittsburg 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 1:24000
Date: 1962
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Pittsburg 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 1:24000
Date: 1975
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Pittsburg 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 1:24000
Date: 2013
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Sulphur Springs

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 1:100000
Date: 1991
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Sulphur Springs

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 1:100000
Date: 1985
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:250000
Date: 1964
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:100000
Date: 1992
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:250000
Date: 1966
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:250000
Date: 1974
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:250000
Date: 1956
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:250000
Date: 1974
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Texarkana

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 1:100000
Date: 1986
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Tyler

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 1:250000
Date: 1963
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Tyler

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 1:250000
Date: 1992
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Tyler

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 1:250000
Date: 1973
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Tyler

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 1:250000
Date: 1956
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Tyler

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 1:250000
Date: 1979
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Improvement in Washing-Machines. (open access)

Improvement in Washing-Machines.

Patent for the improvement of washing machines, using two washboards. It includes a description and illustrations.
Date: May 21, 1872
Creator: Harper, William F.
Object Type: Patent
System: The Portal to Texas History
Cattle-Guard. (open access)

Cattle-Guard.

Patent for a simple cattle guard for railroads "which may be applied conveniently and economically to a cattle gap, and which will prevent cattle from getting their legs caught between the sleepers above the gap, which will also prevent cattle from passing over the gap, and which will frighten the cattle from the track" (lines 16-22).
Date: July 18, 1893
Creator: Hills, Lorenzo
Object Type: Patent
System: The Portal to Texas History
Cattle-Guard. (open access)

Cattle-Guard.

Patent for a cattle-guard that improves on patents previously granted to the inventor (No. 516,307 and No. 501,785). The improvements include "the provision of a counter balance or lever with a weight slidingly thereon, which can be adjusted so as to better regulate the platform (lines 25-28) and perforated guards, which will not get as damaged by the wind as non-perforated guards. The patent also includes springs under the platform instead of springs under the sills.
Date: September 11, 1894
Creator: Hills, Lorenzo
Object Type: Patent
System: The Portal to Texas History
Cattle-Guard. (open access)

Cattle-Guard.

Patent for a cattle-guard that does not let cattle become entangled and killed in the guard, and does not allow cattle to pass over the rails. Cattle also will not get thrown or trip on the guard, and the trains will not be endangered.
Date: March 13, 1894
Creator: Hills, Lorenzo
Object Type: Patent
System: The Portal to Texas History
Envelop. (open access)

Envelop.

Patent for "simple envelop which can be cheaply manufactured and which cannot be fraudulently tampered with or opened for the purpose of removing its contents without mutilating or injuring the envelop to an extent which would be noticable" (lines 9-14), including illustrations.
Date: April 3, 1917
Creator: Moore, Essie H.
Object Type: Patent
System: The Portal to Texas History