Roundy, P.V. (1926). Part II. The micro-fauna. In: Roundy, P.V.; Girty, G.H.; Goldman, M.I. (eds.) Mississippian formations of San Saba County, Texas. U.S. Geological Survey Professional Paper. 146:5-23.
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Roundy, P.V.
1926
Part II. The micro-fauna
In: Roundy, P.V.; Girty, G.H.; Goldman, M.I. (eds.) Mississippian formations of San Saba County, Texas. U.S. Geological Survey Professional Paper