. Bulletin. Ethnology. 6 BUREAU OF AMERICAN ETHNOLOGY [bull. 119 soils with heavy precipitation of iron and manganous nodes. The developments have been definitely perceived to take place in arche- ological contexts and the question has been raised as to how rapidly acceleration might take place under very favorable conditions in the semitropical southeastern area.^. Figure 4.—Patinated (decomposed) flint artifacts from the Macon Plateau showing specializations for woodworking and skindressing. Nos. 1 to 10 are knives or composite tools illustrating the geometric form exhibited frequently in Ma


. Bulletin. Ethnology. 6 BUREAU OF AMERICAN ETHNOLOGY [bull. 119 soils with heavy precipitation of iron and manganous nodes. The developments have been definitely perceived to take place in arche- ological contexts and the question has been raised as to how rapidly acceleration might take place under very favorable conditions in the semitropical southeastern area.^. Figure 4.—Patinated (decomposed) flint artifacts from the Macon Plateau showing specializations for woodworking and skindressing. Nos. 1 to 10 are knives or composite tools illustrating the geometric form exhibited frequently in Macon collections cataloged from deep weathered loam. Nos. 11 to 16 show characteristic forms of end scrapers. Nos. 17,18, and 19 are large "turtle backs," massive round or broad oval-end scrapers of specialized aspect. Another important factor is the vertical distribution of flint with regard to pottery on the Macon Plateau. A 600-foot correlation test trench was excavated and over 10,000 sherds and pieces of fhnt scrap cataloged precisely to determine mechanical conditions of move- ment in the weathered soils. This experiment demonstrated that pottery and flint occur in approximately equal amounts in the upper » Two distinguished geologists, Dr. C. O. Sauer, University of California, and Dr. R. J. Russell, Louisiana State University, visited the site of explorations at Macon and observed the unusual soil profile features in archeological contexts and the heavy decomposition of flint Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Bureau of American Ethnology. Washington : G. P. O.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectethnolo, bookyear1901