National Register of Historic Places Eligibility Testing of Sites 41LT172 and 41LT354 in Luminant's Kosse Mine, Limestone, Texas Page: 83
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6. Site 41LT354
Lot 215.2 is an ovate-shaped chert biface fragment missing the lateral edges. It is slightly corticated.
It has a mass of 4.35 g, and it extends 33.29 mm in length by 18.39 mm in width, with a maximum
thickness of 7.55 mm.
Lot 215.3 is a decorticated metaquartzite biface fragment. It has an indeterminate shape and could
not be orientated. It has a mass of 4.81 g, and it extends 18.27 mm in length by 27.51 mm in width,
with a maximum thickness of 9.77 mm.
Lot 228.3 is a moderately corticated distal-medial silicified wood biface fragment. It is a
subtriangular-shaped specimen and has a mass of 29.82 g. It extends 61.75 mm in length by 23.01
mm in width, with a maximum thickness of 17.33 mm.
Lot 235.4 is a rectangular-shaped complete silicified wood biface. It is heavily corticated and
exhibits signs of unintentional heat alteration. It has a mass of 49.41. It extends 71.52 mm in length,
by 25.71 mm in width, with a maximum thickness of 16.85 mm.
Indeterminate
The remaining biface specimens are too fragmentary to assign to a reduction stage. Lot 181.2 is a
slightly corticated chert biface fragment. Its mass is 5.81 g, and it is 19.93 mm in length by 30.16
mm in width, with a maximum thickness of 7.79 mm.
Lot 190.1 is a chert biface fragment that retains minimal cortex with straight lateral edges. It
exhibits signs of intentional heating and is the only biface unassigned to a stage that exhibits
evidence of use-wear. The use-wear observed is consistent with cutting medium-soft materials. It
has a mass of 3.21 g, and it extends 20.89 mm in length by 23.08 mm in width, with a maximum
thickness of 8.79 mm.
Lot 201.1 is a very small chert biface fragment that retains no cortex and exhibits signs of
intentional heating. It has a mass of 0.35 g, and it extends 16.98 mm in length by 8.01 mm in width,
with a maximum thickness of 3.48 mm.
Lot 234.1 is a decorticated chert biface fragment with a mass of 1.17 g. It has one convex lateral
edge and one concave lateral edge. It extends 15.12 mm in length by 13.94 mm in width, with a
maximum thickness of 6.48 mm.
Lot 235.2 is a metaquartzite biface fragment that retains no cortex. It has a mass of 2.44 g, and it
extends 19.06 mm in length by 18.39 mm in width, with a maximum thickness of 5.94 mm.
Unifacially Modified Flakes (n = 5)
Five unifacially modified flakes were recovered from site 41LT354. All five of these artifacts appearto have been utilized, two of which shows wear indicative of use as a multipurpose tool. The basic
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Atkins 100021558/110187 83
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Atkins North America, Inc. National Register of Historic Places Eligibility Testing of Sites 41LT172 and 41LT354 in Luminant's Kosse Mine, Limestone, Texas, report, February 2012; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth839205/m1/92/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.