pip. S' 2?/" JOHN H. KERR RESERVOIR BASIN — MILLER 115 



Similar points have been found not only in the John H. Kerr 

 Reservoir basin but other portions of southern Virginia and northern 

 North Carolina; the Keyhole Reservoir in northeastern Wyoming; 

 the Angostura Reservoir area in southwestern South Dakota; three 

 sites in south and east-central Montana; from Signal Butte, level 1, 

 in western Nebraska; near Boysen Reservoir area in central Wyo- 

 ming; and from Hells Midden, levels 4 and 5, in northwestern 

 Colorado. 



The Duncan point, apparently partly contemporaneous with the 

 Pedemales Indented Base point of Kelley (1947, pi. 10, c) does not 

 have the broad triangular blade and barbed shoulders of the latter 

 and is noted more in the northern Plains, while the Pedernales is 

 restricted more to the Round Rock Focus of central Texas. 



The Hanna Point, first recognized by Wesley L. Bliss in east-central 

 Wyoming and subsequently found in Nebraska, South Dakota, and 

 southern Virginia, is characterized by — 



a straight converging and incurving blade, straight or insloping and slightly 

 barbed shoulders ; and an expanding stem with shallow notched or straight, 

 thinned base, is 25.0 mm. or more in total length, with the stem covering one- 

 fourth to one-half of the total length, 13.5 mm. or more in maximum breadth, 

 and 3.5 mm. or more in maximum thickness. Blade and stem are either fully 

 chipped by pressure in a random manner on both faces or fully chipped on one 

 face and retouched only along the edges of the other face, or retouched only 

 along the edges of both faces. The base is notched or thinned by pressure 

 chipping on both faces from the base toward the tip. The edges of the blade are 

 generally thin, straight, even, and sharp, while the sides of the stem are usually 

 smoothed by retouching or grinding. The blade is lenticular or plano-convex in 

 cross section. [Wheeler, 1954, p. 8 and fig. 2.] 



Wheeler surmises that — 



On stratigraphic and typological grounds, the three points seem to have origi- 

 nated in the following order: first McKean, then Duncan, and then Hanna. 

 When these points have been dated individually by the radiocarbon technique, 

 they may be useful as index artifacts in identifying and dating assemblages of 

 the little known "Intermediate Lithic period" in the Plains area (Champe, 1946, 

 fig. 17). [Ibid., p. 10.] 



In the collection are a number of specimens that resemble both the 

 Lake Mohave and Silver Lake types. 



The Lake Mohave type is characterized by a long, tapering stem, produced by 

 shouldering the point (usually very slightly), just below the center of its vertical 

 axis. This results in a generally diamond-shape form, with more shoulder than 

 blade. The form is not highly standardized, wavering frequently between the 

 oval on the one hand and the Silver Lake type on the other. It obviously bears 

 a close relationship to the latter type, both in form and in associations, and may 

 be a variant of minor consequence, but we are convinced that it has an individ- 

 uality meriting independent recognition. [Amsden, 1937, p. 80, and pi. 41.] 



Those found in Virginia do not approach in size the type specimens 

 but they do correspond to the type form, both in chipping teclmiques 

 and in general outline. 



