Correction. Rapid Determination of Barbiturates by Gas Chromatography-Mass Spectrometry.

The Fort Sam Houston Project: An Archaeological and Historical Assessment

“…Investigations at Lake Whitney, Texas, show the same distribution of site type and a similar continuity through time (Skinner and Gallagher 1974). In this area, rockshelters show seasonal habitation beginning in the Late Prehistoric, although excavations at other rockshelters in central Texas have yielded Archaic occupation levels (cf.…”

Archaeological Investigations Along the Leona River Watershed, Uvalde County, Texas

“…In addition, studies from central Texas dealing with cultural changes between the Late Prehistoric and the Archaic (Skinner and Gallagher 1974;Gunn and Mahula 1977;Shafer 1977) seem to indicate the changes were effected over a large area.…”