Collection
Serial/Series Title
Digital US Topo Maps: 7.5 Minute Series (Topographic)
50
2000 Census County Subdivision Block Map
36
2010 Census County Block Map
35
2010 Census P.L. 94-171 County Block Map
35
7.5 Minute Series (Topographic)
34
2000 Census County Block Map
28
1990 Census County Block Map
27
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
25
2007 Economic Census Map
7
Western United States 1:250,000
7
10 More
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321 Matching Results
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Pipe-Clamp.
Patent for a pipe grip that is formed out of two bars with two gripping surfaces forming two mechanical jaws.
Date:
September 7, 1915
Creator:
Brown, Milo
Object Type:
Patent
System:
The Portal to Texas History
Door Operating Mechanism for Mail Boxes
Patent for door for mail boxes that can be quickly opened or closed by postal workers.
Date:
February 13, 1917
Creator:
Calcote, William S.
Object Type:
Patent
System:
The Portal to Texas History
Hame Hook
Patent for improved harness and trace connector.
Date:
March 6, 1917
Creator:
Conn, Isaac D.
Object Type:
Patent
System:
The Portal to Texas History
Ribbon-Cabinet.
Patent for a ribbon cabinet that is designed to display the different types of ribbon available.
Date:
December 30, 1913
Creator:
Daniel, Robert O.
Object Type:
Patent
System:
The Portal to Texas History
Cultivator Foot
Patent for a cultivator foot. This cultivator foot is designed to be a new kind of inexpensive, simple, and efficient cultivator foot.
Date:
August 22, 1922
Creator:
Dawson, Joseph E.
Object Type:
Patent
System:
The Portal to Texas History
Grapple
Patent for providing a cheaper version of removing pipes or tubing from wells.
Date:
March 18, 1913
Creator:
Drake, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Railway-Brake.
Patent for "railway brakes, which are constructed to grip the wheels, and which, in the event of an emergency, may be set to lift the wheels off the track in order to obtain a quick stoppage of the train" (lines 9-14) including illustrations and explanations of the brakes' components.
Date:
June 26, 1913
Creator:
Drake, Charles W.
Object Type:
Patent
System:
The Portal to Texas History
Cultivator Attachment dated October 8, 1918
Patent for cutting cotton and maintaining it at a certain height. This can be mounted to different cultivators without any need of change or alteration.
Date:
October 8, 1918
Creator:
Fletcher W. Vaughn
Object Type:
Patent
System:
The Portal to Texas History
Automatic Liquid-Fuel Regulator for Steam-Generators.
Patent for improved automatic liquid fuel feed regulator for steam generators especially adapted for use in connection with steam generators in which liquid hydrocarbon or case is used as fuel.
Date:
May 19, 1914
Creator:
Ford, Arthur
Object Type:
Patent
System:
The Portal to Texas History
Regional Water Plan: Region A (Panhandle), 2016, Volume 1. Main Report
Water plan for Panhandle Region describing water supply locations and suppliers by county, the state of the water supply in the area, forecasts for future usage numbers, management and conservation plans for both suppliers and users in each county, drought plans, impacts of implementation of the water plan, and the plan making process.
Date:
November 17, 2015
Creator:
Freese and Nichols, Inc.
Object Type:
Report
System:
The Portal to Texas History
Regional Water Plan: Region A (Panhandle), 2016, Volume 2. Appendices
Appendices for the water plan for Region A (Panhandle) including a bibliography, cost estimates, survey results, and related reports.
Date:
November 17, 2015
Creator:
Freese and Nichols, Inc.
Object Type:
Report
System:
The Portal to Texas History
Abra 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
Abra 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:
2012
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Abra 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:
1967
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Abra 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:
1991
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Amarillo
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:
1976
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Amarillo
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
Arlie 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
Arlie 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
Arlie 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:
2012
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Arlie 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:
1985
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Dodson 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:
1991
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Dodson 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
Dodson 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