Collection
Serial/Series Title
7.5 Minute Series (Topographic)
43
2000 Census County Subdivision Block Map
41
15 Minute Series (Topographic)
37
1990 Census County Block Map
32
2010 Census County Block Map
32
2010 Census P.L. 94-171 County Block Map
32
2000 Census County Block Map
31
Digital US Topo Maps: 7.5 Minute Series (Topographic)
28
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
11
Western United States 1:250,000
9
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Regional Water Plan: Region I (East Texas), Volume 1. Main Report
Water plan for Region I (East Texas) describing water sources and suppliers in the area, usage statistics and forecasts, water needs, water management strategies for suppliers and counties, water conservation plans, drought response plans, financing of the plan, and the process of creating the plan.
Date:
December 1, 2015
Creator:
Alan Plummer and Associates
Object Type:
Report
System:
The Portal to Texas History
Regional Water Plan: Region I (East Texas), Volume 2. Appendixes
Appendices for the water plan for Region I (East Texas) including water management strategies, water needs, water conservation methods, species of concern in the area, financing methods, and related reports.
Date:
December 1, 2015
Creator:
Alan Plummer and Associates
Object Type:
Report
System:
The Portal to Texas History
Process for Hardening Copper.
Patent for a process of hardening copper to prevent bending and scaling of the metal. The process involves heating copper to a high temperature (1370 degrees Fahrenheit) and then subjecting it to continual pressure through hammering it until cold.
Date:
February 24, 1920
Creator:
Beckham, Dewitt T.
Object Type:
Patent
System:
The Portal to Texas History
Safety-Trap.
Patent for class of steam valve safety traps to prevent the interference of heavy particles with the flow of steam ensuring efficient working of the machine.
Date:
July 25, 1916
Creator:
Bird, David R.
Object Type:
Patent
System:
The Portal to Texas History
Churn.
Patent for Churn for mixing liquids. The invention's construction includes a sturdy stand with a crank handle, that when rotated, allows a wheel to turn on the shaft. The simple design allows for inexpensive construction.
Date:
May 6, 1913
Creator:
Burns, John F.
Object Type:
Patent
System:
The Portal to Texas History
Bed Slat Holding Means
Patent for an invention that "relates to bed-slat-holding means; and the object of the same is to provide simple and effective devices for holding the end of a bed-slat, which is in part carried by the latter and the ledge of the side rail and operating to prevent loose assemblage of the slats with bed-rails and obviate a tendency to easy disengagement and also to maintain the opposite bed-rails in parallel relation and obstruct warping or lateral expansion" (lines 8-21). Illustrations are included.
Date:
January 2, 1902
Creator:
Cooper, Alexander, R.
Object Type:
Patent
System:
The Portal to Texas History
Trap
Patent for a steel animal trap. Illustrations included.
Date:
April 30, 1912
Creator:
Davidson, David L.
Object Type:
Patent
System:
The Portal to Texas History
Alexandria
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:
1955
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Beech Bayou 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:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Beech Bayou 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:
2004
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Beech Bayou 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:
2010
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Bronson 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:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Bronson 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
Bronson 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 1:62500
Date:
1969
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Bronson 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:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Bronson 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
Bronson 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 1:62500
Date:
1973
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Bronson 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 1:62500
Date:
1959
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Brookeland 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 1:62500
Date:
1959
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Brookeland 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 1:62500
Date:
1970
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Brookeland 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 1:62500
Date:
1967
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Buck Bay 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:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Buck Bay 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
Chinquapin 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:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History