Resource Type
Collection
Serial/Series Title
2010 Census County Block Map
64
2010 Census P.L. 94-171 County Block Map
64
Digital US Topo Maps: 7.5 Minute Series (Topographic)
44
2000 Census County Subdivision Block Map
36
2000 Census County Block Map
33
1990 Census County Block Map
32
7.5 Minute Series (Topographic)
28
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
22
2007 Economic Census Map
8
Western United States 1:250,000
7
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369 Matching Results
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Rail-Joint
Patent for an improved rail joint that doesn't need bolts.
Date:
August 17, 1920
Creator:
Ryan, George R. & Ryan, William M.
Object Type:
Patent
System:
The Portal to Texas History
Rail-Joint.
Patent for the improvement of existing rail joints by creating a tie or bond at the end of rails to allow them to lock together. The improved rail joint will make the use of bolts and nuts, or other connectors unnecessary when connecting rails.
Date:
February 17, 1920
Creator:
Ryan, William M.
Object Type:
Patent
System:
The Portal to Texas History
Edwards Underground Water District
Pamphlet describing the Edwards Aquifer and the mission of the Edwards Underground Water District with information on why the Edwards Aquifer is important to the practical needs and cultural background of South Texas, and the growth of the San Antonio area from 1939 to 1988.
Date:
1992~
Creator:
Edwards Underground Water District (Tex.)
Object Type:
Pamphlet
System:
The Portal to Texas History
Edwards Underground Water District Strategic Plan 1994-2004
Strategic plan for the Edwards Underground Water District for the years 1994-2004. Writted to ensure a sustainable supply of high quality water for the Edwards Aquifer with a spirit of regional cooperation for Edwards, Kerr, Real, Bandera, Kendall, Comal, Hays, Kinny, Uvalde, Medina, and Bexar counties in the San Antonio area.
Date:
June 2, 1994
Creator:
Edwards Underground Water District (Tex.). Board of Directors.
Object Type:
Book
System:
The Portal to Texas History
Ground-Water Availability of the Lower Cretaceous Formations in the Hill Country of South-Central Texas
Report on groundwater availability of the lower cretaceous formations in the hill country of South-Central Texas. It describes the geology of the area, water quality, and the Trinity Group aquifer.
Date:
January 1983
Creator:
Ashworth, John B.
Object Type:
Report
System:
The Portal to Texas History
Edwards Aquifer Hydrogeologic Status Report for 1992
Report on the status of the Edwards Aquifer, discussing current and historic water levels, trends, and water quality.
Date:
August 1993
Creator:
Edwards Underground Water District (Tex.). Field Operations Division.
Object Type:
Report
System:
The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas
Report on
Date:
July 1979
Creator:
Walker, Loyd E.
Object Type:
Report
System:
The Portal to Texas History
Texas Health Service Region 8 Annual Report: 2017
Annual financial report of the Texas Department of State Health Services documenting income, expenditures, and other relevant financial information for fiscal year 2017. The report covers topics such as Hurricane Harvey, Zika Virus/ other diseases, and child safety.
Date:
2017
Creator:
Texas. Department of State Health Services.
Object Type:
Report
System:
The Portal to Texas History
Regional Water Plan: Region J (Plateau), 2016, Main Report
Water plan for Region J (Plateau) describing the water resources and suppliers for the area, water needs, recommendations for water management for different suppliers and counties, and usage statistics and forecasts.
Date:
January 2016
Creator:
Plateau Region Water Planning Group
Object Type:
Report
System:
The Portal to Texas History
Texas Health Service Region 8 Annual Report: 2013
Annual report of the Texas Department of Health and Human Services Health Service Region 8 describing goals, activities, and accomplishments during fiscal year 2013.
Date:
2013
Creator:
Texas. Department of State Health Services. Health Service Region 8.
Object Type:
Report
System:
The Portal to Texas History
Texas Hill Country Trail Region: Exploring the Mystique of Central Texas
Travel guide for the various cultural and historical sites along the Texas Hill Country Trail in Central Texas.
Date:
April 2010
Creator:
Texas Historical Commission
Object Type:
Pamphlet
System:
The Portal to Texas History
Primary Care Case Management Primary Care Provider and Hospital List: Upper South Texas, June 2011
List of Primary Care Case Management program approved primary care providers, hospitals, specialists, and family planning providers, located in the Upper South Texas area.
Date:
June 2011
Creator:
Primary Care Case Management
Object Type:
Book
System:
The Portal to Texas History
Primary Care Case Management Primary Care Provider and Hospital List: Upper South Texas, December 2011
List of Primary Care Case Management program approved primary care providers, hospitals, specialists, and family planning providers, located in the Upper South Texas area.
Date:
December 2011
Creator:
Primary Care Case Management
Object Type:
Book
System:
The Portal to Texas History
Stack Former and Protector.
Patent for an invention "to provide a device of this character by means of which a hay, straw, or other kind of a stack may be formed and while being formed may be protected from rains" (lines 13-17). Illustrations included.
Date:
August 12, 1902
Creator:
Stipp, Edwin M.
Object Type:
Patent
System:
The Portal to Texas History
Nueces 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:
1921
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Vanderpool 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:
1972
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Camp Wood 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
Circle Bluff 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
Barksdale 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:
1975
Creator:
United States. Army. Corps of Engineers.
Object Type:
Map
System:
The Portal to Texas History
Bandera
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
Rio Frio 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
Garven Store 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
Bee Cave Hollow 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
Del Rio
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:
1970
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History