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Palen-Indian projectile point, and a corner-notched point fragment of • <br />Late Prehistoric affiliations. <br />A total of 38 lithic artifacts was recovered from five of tY~e six exca- <br />vation units, during topsoil removal, or on backhoe trench backdirt <br />piles. This mll.ection is o~rised primarily of lithic debitage and <br />lesser amounts of'. stone tools. Each class of dzipped stone is discussed <br />below. <br />Bifaces. A single biface fragment was recovered from the surface of the <br />backdirt pile north of backlx~e trench 3 during site mapping. This biface <br />tip is made from a light gray chert, exhibits fine bifacial flaking with <br />marginal retoudz, and has a trim, lenticular profile (Fig. 9 a). One <br />interesting characteristic of this specimen is the potlid fracture evident <br />on one face. This attribute is obviously the result of heat treatment <br />but whether it was intentionally done, i.e. to itiq~rove its flaking <br />properties, or is an acca.dental byproduct following discard of a no <br />longer useful tool is not determinable. This fragmentary specimen is <br />2.2 an long, 1.5 czm wide, and 0.31 an thick. <br />Utilized Flakes. Flakes exhibiting wear along one or more otherwise <br />unmodified man~ins are classified as utilized flakes. Besides evidence <br />of utilization, the three utilized flakes recovered from 5KP139 are dis- <br />tinguishable fx+cm debitage by their larger size, the presence of cortex, <br />and specific manufacturing attributes such as striking platform, bulb of <br />percussion, and eraillure scar. All are manufactured from a beige chert. <br />u <br /> <br />Specimen 139.105 is a blade-like flake with a terminal feather fracture, <br />shallow bulb, and prepared platform; a minor airount of unifacial wear is <br />evident along one margin (Fig. 9 b). Specimen 139.101 is a triangular- <br />shaped fragment of a larger flake with one tapering margin; unifacial <br />wear is apparent along a portion of this margin (Fig. 9 c). This flake <br />also had a greasy or waxy luster which indicates that it has been heat- <br />treated. The third utilized flake, Specimen 139.103, is at least 2-3 • <br />42 <br />