Collection
Serial/Series Title
2000 Census County Subdivision Block Map
52
Digital US Topo Maps: 7.5 Minute Series (Topographic)
50
2010 Census County Block Map
46
2010 Census P.L. 94-171 County Block Map
45
7.5 Minute Series (Topographic)
42
2000 Census County Block Map
39
1990 Census County Block Map
38
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
25
2007 Economic Census Map
10
30 x 60 Minute Series (Topographic)
7
14 More
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418 Matching Results
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Water-Valve.
Patent for a water valve for water delivery systems that does not have standing water around it that can freeze in cold weather.
Date:
April 12, 1910
Creator:
Anthony, Joseph B. & Morris, Robert M.
Object Type:
Patent
System:
The Portal to Texas History
Disk Cultivator
Patent for improvements to a disk cultivators which allows for the disks to hit the ground at various angles, thus improving cultivation,
Date:
May 12, 1914
Creator:
Atkinson, William H.
Object Type:
Patent
System:
The Portal to Texas History
Analytical Study of the Ogallala Aquifer in Donley County, Texas: Projections of Saturated Thickness, Volume of Water in Storage, Pumpage Rates, Pumping Lifts, and Well Yields
Report documenting statistical data and analysis about the state of depletion for the Ogallala Aquifer in Donley County, and to provide water-usage information for planning purposes.
Date:
January 1981
Creator:
Bell, Ann E. & Morrison, Shelly
Object Type:
Report
System:
The Portal to Texas History
Transmission-Gearing.
Patent for a transmission gearing that prevents the gears from slipping loose.
Date:
March 14, 1911
Creator:
Blevins, Samuel W.
Object Type:
Patent
System:
The Portal to Texas History
Oil-Burner
Patent for new improvements to oil-burners in stoves and furnaces providing "a proper inlet of air to fire generated on the hearth" (lines 14-15) including instructions and illustrations.
Date:
January 23, 1912
Creator:
Braly, Hugh L.
Object Type:
Patent
System:
The Portal to Texas History
Road Grader
Patent for a road grader. Illustration included.
Date:
April 5, 1904
Creator:
Braly, Hugh L.
Object Type:
Patent
System:
The Portal to Texas History
Map Hanger
Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
Date:
January 31, 1922
Creator:
Chunn, Richard M.
Object Type:
Patent
System:
The Portal to Texas History
Mine-Sweeper and Ship-Shield
Patent for protecting a ship from mines with a net that serves as a "mine sweeper and ship shield" (lines 9-10). It is also for collecting underwater weapons and improving the net.
Date:
October 15, 1918
Creator:
Coin, James W.
Object Type:
Patent
System:
The Portal to Texas History
Disk Cultivator
Patent for an improvement on disk cultivators. This makes it easier to arrange the wheels on the disk cultivators to be able to work on the soil on land of different shapes and sizes.
Date:
December 30, 1914
Creator:
Craddock, John E.
Object Type:
Patent
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine with a folding frame, which operates with rollers and springs.
Date:
July 9, 1907
Creator:
Davis, John Lafayette & Davis, John Wesley
Object Type:
Patent
System:
The Portal to Texas History
Detachable Washer
Patent for a detachable Washer which can be applied or removed from a bolt, without having to remove the bolt itself.
Date:
August 8, 1922
Creator:
Dubbs, Sylvester S.
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
Safety-Clamp.
Patent for a safety clamp that secures wagon seats in place.
Date:
February 7, 1911
Creator:
Gammon, William Willey
Object Type:
Patent
System:
The Portal to Texas History
Alanreed 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
Alanreed 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:
1986
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Alanreed 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
Alanreed 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:
1963
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Alanreed 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
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 1:100000
Date:
1989
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 1:100000
Date:
1986
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
Ashtola 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