Valve. (open access)

Valve.

Patent for a float-valve used in water-troughs for cattle and other liquid containers. It closes "when the surface of the water reaches the desired point and [opens] when the surface of the water falls below said point" (lines 14-17).
Date: January 5, 1897
Creator: Halley, Hillary H. & McCulley, Robert I.
Object Type: Patent
System: The Portal to Texas History
Obstetrical Supporter (open access)

Obstetrical Supporter

Patent for a obstetrical supporter. This invention is used as a harness consisting of stirrups. Illustration included.
Date: March 12, 1907
Creator: Crume, Francis Marion
Object Type: Patent
System: The Portal to Texas History

Big Lake 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: 1922
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rankin 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: 1928
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Petroleum Engineering Report, Big Spring Field and Other Fields in West Texas and Southeastern New Mexico (open access)

Petroleum Engineering Report, Big Spring Field and Other Fields in West Texas and Southeastern New Mexico

Report issued by the Bureau of Mines over petroleum engineering studies conducted in Texas and New Mexico. The results of the studies are presented and discussed. This report includes tables, maps, illustrations, and photographs.
Date: November 1936
Creator: Carpenter, Charles B. & Hill, Harry Blackburn
Object Type: Report
System: The UNT Digital Library

San Angelo

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: 1958
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Texas Attorney General Opinion: WW-399 (open access)

Texas Attorney General Opinion: WW-399

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Will Wilson, regarding a legal question submitted for clarification: Authority of Reagan County Water Supply District to exercise power of eminent domain, to furnish water to residents of City of Big Lake, and related questions.
Date: March 26, 1958
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History

Big Lake 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: 1965
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

San Angelo

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: 1965
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Midkiff 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: 1967
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

San Angelo

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: 1967
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Midkiff Southeast 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: 1968
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Best 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Divide Draw 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Gardener Draw 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Garrison Draw 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Lone Mountain 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Midkiff 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Midkiff Southeast 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Moore Hill 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rankin Northeast 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rankin Southeast 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Sevenmile Corner Northeast 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Sevenmile Corner Southeast 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: 1970
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History