[Map 1.] Utility Open Space in the AACOG Region

Map of the utility open space in the Alamo area, specifically denoting soil classes, aquifer recharge zones, sewage treatment sites, solid waste disposal sites, and mining sites.
Date: September 1972
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

[Map 2.] Corridor Open Space in the AACOG Region

Map of open space in the Alamo area, specifically denoting open space corridors. The map includes rivers, existing and proposed highways, flood plains, corridors, and existing and proposed reservoirs.
Date: September 1972
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

[Map 3.] Green Open Space in the AACOG Region

Map of green open space in the Alamo area denoting public, quasi-public, and private recreational areas.
Date: September 1972
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

[Map 4.] Green Open Space in Bexar County

Map of green open space in Bexar County denoting public, quasi-public, and private recreational areas.
Date: September 1972
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

[Map 5.] Open Space Potentials in the AACOG Region

Map of open space potentials in the Alamo area, denoting existing or projected developments and potential developments.
Date: September 1972
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

Early San Antonio Acequia System 1730-1800

Map depicting the acequia water control system of the 18th century along the San Antonio River.
Date: September 1970
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

San Antonio de Bexar - 1836

Map of San Antonio de Bexar showing the streets, rivers and creeks, and plazas as they were in 1836.
Date: September 1970
Creator: Alamo Area Council of Governments
System: The Portal to Texas History

Bexar County

Map of Bexar County, Texas, including the South Texas Plains region. Scale ca. 1:133,334 (4000 varas per inch).
Date: September 1878
Creator: Groos, Otto
System: The Portal to Texas History