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62 Special notes: this category consists of fragments of light, triangular tools with finely detailed pressure they represent projectile points or knives, but are so make further definition meaningless. Simple bifaces: fragments. 36 specimens (Fig. 7c-f). i~ generally small, retouch. Possibly fragmentary as to Description: A total of 36 fragrents of bifacially worked tools were re- covered from the various tract areas. These tool fragments assort into three categories: midsections, margin fragments, and basal fragments. The descriptions are intended only to illustrate the kinds of materials recovered, rather than to serve as a definitive typological breakdown of the items, as is the description of the tip fragments above. The margin and midsection fragments are included as they represent a sizeable fraction of the biface tool collection. Although they lack diagnostic values in the context of this study, they at least provide markers of human activity at or near the locations of their discovery. I.lidsections (Type IF) are those fragments with biconvex cross sec- tion, generally with converging or nearly parallel edges terminating in transverse fractures at either end. Sixteen specimens were found, but none are illustrated. Margins (Type IG) are those fragments of bifacially worked tools, comprised of portions of flaked edges and portions of the tool body. There are no opposing edges. Fifteen specimens were recovered but none are illustrated. The basal fragments (Type IH) include five specimens (Fig. 7c-f). They are fragments of thin, bifacially worked tools, generally two roughly parallel worked edges containing a perpendicular edge having between and terminating in a transverse fracture. The range of forms in the basal fragments includes three convex bases with converging edges, and two sepcimens with relatively flat basal margins, one faintly convex and the other with very shallow con- cavity. These last two have edges that diverge from basal margin (widest point is above base). These bases most likely represent fragments of knives or projec- tile points, but could serve easily in either function. In particu- lar, the convex bases (Fig. lc, a, f), with the exception of the small- est, appear to have been utilized as cutting implements, as they ex- hibit considerable smoothing on one edge. Conjecturally, the two with flat basal margins seem much more like projectile points with a biconvex or leaf-shaped profile. Chipping technique varies among the specimens, both in degree and in fineness of execution. The two smallest have a portion of the original flake surface visible while the other three ex- hibit retouch over the entire surface. The sizes of the smallest speci- mens indicate possible functions as projectile points rather than cut- ting implements. Pro,eccilz points. As the projectile point collection is somewhat more comp icated than the other tool types, it has been sorted separately from the simple biface tool collection. In all, 25 specimens were .~