Archaic point types found at selected sites in the Texas portion of the Southern Plains Southwestern ceramic types commonly found 1n the Southern Llano Estacada and the Lower Plains Late Prehistoric arrow point types commonly found at selected locations in the Lower Plains • 5. Comparison of selected diagnostic cultural materials from sites with Garza Complex components 6. Radiocarbon dates • • • •• 7. Summary of spatial/temporal distribution of depositional environments, level of subsurface reconnaissance recommended, and types of sites that may be expected 8. Prehistoric sites by topographic setting 9. Comparison of prehistoric sites by topographic setting and site type 106 Temporal affiliation of prehistoric components at Justiceburg and other nearby survey areas 6 6 • 6 104 108 III 11. Percentage of prehistoric components at and other nearby survey areas 6 6 • 6 6 Justiceburg 12. Temporal affiliations of Justiceburg prehistoric sites 136 Bedrock mortars in the Justiceburg Reservoir project area 14. Presence of artifact types at the prehistoric sites 6 •

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Sandy loam to gravelly sandy loam; massive to weak tabular bedded; soft to slightly hard; yellowish red (SYR 4/6) ; strongly calcareous; clear boundary; fines upward; common Ca and Na precipitate; matrix-supported small siliceous gravels. Medium to coarse sand; massive to weakly crossbedded; loose; brown (7.5YR 5/4); strongly calcareous. Gravelly sandy loam; massive; soft; yellowish red (5YR 4/6); strongly calcareous; clear to gradual boundary; contains siliceous and sandstone gravels. Sandy l~am to silty loam; massive; soft•, to slightly hard; yellowish red (SYR 4/6); strongly calcareous; gradual boundary; common Ca and Na precipitate filaments; compaction decreases with depth. Sandy loam to gravelly sandy loam; massive to weak tabular bedded; soft to slightly hard; yellowish red (SYR 4/6); strongly calcareous; clear boundary; fines upward: common Ca and Na precipitate; matrix-supported small siliceous gravels. Loamy fine sand reddish brown boundary.

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