Agua Nueva 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Bentsen Ranch 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Borregos Ranch 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Cuevitas 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Las Escobas Ranch 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

La Gloria 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

La Gloria Southwest 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Las Islas Ranch 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

La Reforma 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rincon 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Salineno 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

San Isidro Quadrangle

Topographic map of a portion of Texas and of Arkansas 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Santa Elena 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Santa Elena 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

El Sauz 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Viboras 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: 1990
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Evaluation of Ground-Water Resources in the Lower Rio Grande Valley, Texas (open access)

Evaluation of Ground-Water Resources in the Lower Rio Grande Valley, Texas

This report includes studies on critical ground water areas identified by the state water agencies and the findings and recommendations on whether a ground-water conservation district should be established in the respective areas in order to address ground-water problems.
Date: January 1990
Creator: McCoy, Wesley T.
Object Type: Report
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Brooks County, Block 7

Parent map for Brooks County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:27,500.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Brooks County, Block 8

Parent map for Brooks County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:27,500.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Brooks County, Index

Index map for Brooks County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:90,140.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hidalgo County, Block 1

Parent map for Hidalgo County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hidalgo County, Block 7

Parent map for Hidalgo County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hidalgo County, Block 13

Parent map for Hidalgo County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History

1990 Census County Block Map (Recreated): Hidalgo County, Block 14

Parent map for Hidalgo County, Texas showing the area of one geographic block for which the U.S. Census Bureau collected data. The plotted map scale is 1:10,000.
Date: 1990
Creator: United States. Bureau of the Census.
Object Type: Map
System: The Portal to Texas History