[34]Malcolm J. Rogers, Early Lithic Industries of the Lower Basin of the Colorado River and Adjacent Desert Areas (San Diego Museum Papers, no. 3, 1939), 70, pl. 21, 74.
[35]Robert F. Heizer and E. Lemert, Observations on an Archaeological Site in Topanga Canyon, Los Angeles County (University of California Publications in American Archaeology and Ethnology, vol. 44, 237-258, 1947), Heizer, “Notes and News: Pacific Coast Area,” American Antiquity, 13:270 (1948).
[36]Wesley L. Bliss, “An Archaeological and Geological Reconnaissance of Alberta, Mackenzie Valley, and Upper Yukon,” American Philosophical Society Yearbook, 1938, 136-139.
[37]M. M. Leighton, Geological Aspects of the Finding of Primitive Man near Abilene, Texas (Medallion Papers, Gila Pueblo, no. 24, 1936), 40-41.
[38]Ibid., 34.
[39]Harold S. Gladwin, Excavations at Snaketown (Medallion Papers, Gila Pueblo, no. 26, 1937), plate 1, pp. 30-31.
[40]Cyrus N. Ray, “Report on Some Recent Archaeological Researches in the Abilene Section,” Bulletin, Texas Archaeological and Paleontological Society, 2:45-58 (1930). Kirk Bryan and Cyrus N. Ray, “Long Channelled Point Found in Alluvium Beside Bones of Elephas columbi,” Bulletin, Tex. Arch. and Pal. Soc., 10:267 (1938). Ray, “New Evidences of Ancient Man in Texas Found During Prof. Kirk Bryan’s Visit,” Bulletin, Tex. Arch. and Pal. Soc., 10:273. Bryan, “Deep Sites near Abilene, Texas,” Bulletin, Tex. Arch. and Pal. Soc., 10:274.
[41]C. C. Albritton and Kirk Bryan, “The Quaternary Stratigraphy in the Davis Mountains, etc.,” Bulletin, Geological Society of America, 50:1468 (1939).
[42]M. M. Leighton, “The Significance of Profiles of Weathering in Stratigraphic Archaeology,” in Early Man, 163-172.
[43]Kirk Bryan, “Correlation of the Deposits of Sandia Cave, New Mexico, with the Glacial Chronology,” Smithsonian Miscellaneous Collections, 99:45-64 (1941).