ACKNOWLEDGMENTS
Reading edition
Permission to use illustrative material as listed below is gratefully acknowledged.
The Denver Museum of Natural History: Figure 30, specimen 4; Figure 68, No. 5; Figure 70, Nos. 1, 2, and 3; Figure 71, Nos. 3 and 4; Figure 72, Nos. 1 and 3 from Ancient Man in North America by H. M. Wormington, Denver, 1957.
Oklahoma Anthropological Society: Plates 8F, 13D, 26F, 27C, 37F, 40D, and 41C from Guide to the Identification of Certain American Indian Projectile Points by R. E. Bell, Special Bulletin No. 1, Norman, 1958.
American Antiquity: Figure 1b from A New Point Type from Hell Gap Valley, Eastern Wyoming by George A. Agogino, Vol. 26, No. 4, April 1961.
Museum of New Mexico Press Santa Fe 1965
Drawings by Helene Warren
