This large-scale map of Texas displays the full range and scope of energy resources in the State. Oil and gas fields are shown according to the age of the producing reservoir. Lignite resources, both near surface and deep basin, are delineated as are the outcrops of bituminous coal-bearinq strata.

Oversize color geologic map that depicts surface geology of Dimmit, LaSalle, and McMullen Counties and parts of Maverick, Zavala, Frio, Atascosa, Karnes, Wilson, Live Oak, Jim Wells, Duval, and Webb Counties, Texas. The 6-page booklet indicates geologic formations, abbreviations, and ages.

Geologic map that depicts the surface geology of Gaines and Andrews Counties and parts of Yoakum, Terry, Dawson, Martin, Winkler, Ector, and Midland Counties, Texas. The 5-page booklet indicates geologic formations, abbreviations, and ages.

Geologic map that depicts surface geology of Starr, Hidalgo, Willacy, and Cameron Counties and parts of Zapata, Jim Hogg, Brooks, and Kenedy Counties.

Geologic map that depicts the surface geology of Mills County and parts of Runnels, Coleman, Brown, Comanche, Erath, Hamilton, Coryell, Lampasas, San Saba, McCulloch, Concho, and Menard Counties. The 21-page booklet indicates geologic formations, abbreviations, and ages.