group	name	author	Year	Org
Area	Guidebook to the Geology of Travis County	Keith Young	1977	UT
Area	Bedrock Geology of Round Rock and Surrounding Areas, Williamson and Travis Counties, Texas	Housh, Todd	2007	None
Area	Regional Stratigraphic Cross Sections, Comanche Cretaceous (Fredericksburg— WashitanDivision),	C.I. Smith, et al	2000	UT-BEG
Fred	Geologic History and Hydrogeologic setting of the Edwards-Trinity Aquifer System, West-Central Texas	Rene A. Barker, et al.	1994	USGS
Fred	Edwards Group, surface and subsurface, central Texas	Rose, Peter	1972	UT-BEG
Washita	Fauna of the Buda Limestone	Whitney, Francis	1911	UT
Washita	Mollusca of the Buda Limestone	Shattuck, George	1903	USGS
Washita	Species of Turritella from the Buda and Georgetown Limestones of Texas, University of Texas Bulletin No. 1840	Ellisor, Alva	1918	UT

Map Early Cretaceous

Map Late Cretaceous

Stratigraphic Chart from (Smith, Brown, and Lozo, 2000)