Collection
Serial/Series Title
Digital US Topo Maps: 7.5 Minute Series (Topographic)
48
2000 Census County Subdivision Block Map
46
2010 Census County Block Map
46
2010 Census P.L. 94-171 County Block Map
46
7.5 Minute Series (Topographic)
42
2000 Census County Block Map
35
1990 Census County Block Map
34
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
24
30 Minute Series
19
15 Minute Series (Topographic)
8
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394 Matching Results
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Plow
Patent for improvements to plows with laterally extending adjustable wings, as well as other different styles of plow and cultivator standards, with illustration.
Date:
March 9, 1915
Creator:
Armentraut, Richard B.
Object Type:
Patent
System:
The Portal to Texas History
Planter.
Patent for an improved planting machine by securing a seed-plate with a central longitudinal slot, in the bottom of the hopper, a circular seed disk is placed into the slot; two pairs of gage-plates arranged at the front and rear end of said slot. These gage-plates can be adjusted to regulate the quantity of seeds being discharged when planting cotton. When planting corn, the rear pair of gage-plates can be brought closely together to prevent the escape of seeds. Illustration is included.
Date:
March 10, 1891
Creator:
Cayton, James Calvin
Object Type:
Patent
System:
The Portal to Texas History
Pipe or Rod Grips
Patent for Pipe or Rod Grip
Date:
February 20, 1917
Creator:
Champie, James A.
Object Type:
Patent
System:
The Portal to Texas History
Soil Survey of Concho County, Texas
Text describes the area, climate, agricultural history and statistics, soil-survey methods and definitions, soils and crops, land uses and agricultural methods, irrigation, and morphology and genesis of soils of Concho County, Texas.
Date:
1988
Creator:
Clower, Dennis F.
Object Type:
Book
System:
The Portal to Texas History
Regional Water Plan: Region F, 2016, Volume 1. Main Report
Water plan for Region F describing water supply locations and suppliers, the general 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, impacts of implementation of the water plan, and the plan making process.
Date:
November 2015
Creator:
Freese and Nichols, Inc.
Object Type:
Report
System:
The Portal to Texas History
Regional Water Plan: Region F, 2016, Volume II. Appendices
Appendices of the water plan for Region F including cost estimates, water management strategies, comments and answers related to the plan, survey results, drought triggers, and related reports.
Date:
November 2015
Creator:
Freese and Nichols, Inc.
Object Type:
Report
System:
The Portal to Texas History
Ballinger 3-d 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 1:48000
Date:
1925
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 4-c 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 1:48000
Date:
1925
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 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:
1920
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 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:
1892
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 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:
1917
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 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:
1906
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ballinger 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:
1945
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Brady
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
Brady
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:
1992
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Brownwood
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
Brownwood
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
Brownwood
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
Burr Oak Creek 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
Burr Oak Creek 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
Burr Oak Creek 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
Burr Oak Creek 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:
1973
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Burr Oak Creek 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:
1990
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Callan 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