|Name||Reklaw Formation, Carrizo Sand, and Wilcox and Midway Groups, undivided|
|Geologic age||Paleocene and Eocene|
Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed)
Sedimentary > Coal > Lignite (Bed)
|Comments||from top down: about 30-40 ft of quartz sand and silty clay, about 50 ft of quartz sand, about 700 ft of silty and sandy clay containing local beds of clay, lignite, silt and quartz sand; about 500-600 ft of clay.|
Bureau of Economic Geology, 1974, Austin Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000.