Getting To The Point: A Reply to
Bradbury et al.
David Pollack, C. Martin Raymer, Donald A. Miller, Jimmy A. Railey, and A. Gwynn Henderson
Abstract
This paper is a response to Bradbury et al.’s critique of the currently used Fort Ancient fine triangular projectile point typology. Drawing on the variation in projectile point morphology they observed at the Early Fort Ancient Elk Fork site in Morgan County, Kentucky, Bradbury et al. concluded that the typology should be abandoned in favor of an attribute approach. We agree with Bradbury et al. that researchers need to determine the extent to which variation in triangular point morphology is related to temporal trends, tool function, or style. However, we disagree that the existing typology cannot be used to address these issues. We have found it to be a good research tool and argue that it should be retained, as we illustrate by a consideration of the regional Fort Ancient database.
Introduction
In a
recent paper in this journal, Bradbury et al. (2011) expanded upon Bradbury and
Richmond’s (2004) critique of the Fort Ancient fine triangular projectile point
typology developed by Jimmy A. Railey in 1992.
The typology was developed to account for the variation in triangular
projectile points observed in the chipped stone tool assemblages recovered from five
northeastern Kentucky Fort Ancient sites. These sites
were investigated in the mid-1980s as part of the Kentucky Fort Ancient
Research Project - Phase Two (Henderson 1992), one of the goals of which was to
identify diachronic changes in Fort Ancient material culture. In his
conclusions, Railey (1992:168) noted that future
Over the past 20 years, additional research at
Bradbury et al. used the triangular projectile point
assemblage from the Elk Fork site in
Bradbury et al.’s Concerns and Our Response
Bradbury et al.’s two primary
concerns with the 1992 typology are: 1) none
of the fine triangular point types are good temporal indicators in and of
themselves, and 2) the existing types do not adequately account for the
morphological and stylistic variation in triangular projectile points observed
in the archaeological record. The former
concern is not surprising, as all of the
site assemblages/components Railey analyzed contained more than one type. It simply was never the intent of the typology
for individual projectile points to be used to date a site’s occupation.
With respect to the latter,
Fort
Bradbury et al.’s proposed alternative to the 1992
typology is to employ a trait-based approach to
Attribute |
Dimension |
||
Base |
Incurvate |
Excurvate |
Straight |
Blade |
Incurvate |
Excurvate |
Straight |
Serrations |
None |
Coarse |
Fine |
Basal
Flaring |
Absent |
Present |
|
For example, using their attribute cluster
approach, a triangular point could be classified as straight based, straight
sided, and coarsely serrated. Using
Railey’s typology, the same point would be assigned to Type 3 Fine Triangular:
Coarsely Serrated. Thus, whether employing an attribute cluster or a type
designation approach, the analyst is using the same set of observable shared
characteristics to group points. And
irrespective of which approach they employ, an analyst’s particular research
needs and questions help determine which attributes they record and whether
they privilege one attribute over another.
Once a cluster or type is defined,
its utility can only be assessed and evaluated by employing it to classify
artifacts and answer research questions. Then, if it is found wanting, it can
be modified as needed.
In deciding whether to employ a
previously developed typology, researchers must determine if they have
sufficient information, and confidence in their ability, to replicate the
types. They also must decide how much
variation they are willing to tolerate before they create new types in an
established typology, or decide to develop a new typology. That is: are they a “lumper” or a “splitter?” Lumpers will tolerate more variation in a
type, while splitters will tend to account for variation by creating additional
types or varieties. If they decide an
existing type/typology encompasses too much variation, they may forgo using it.
The amount of variation encompassed within a type, then,
in large part reflects the analysts’ personal preference. This is true whether they are using a
typological or attribute cluster approach, since both require analysts to make
classificatory decisions.
A good illustration of this problem, relative to the Fort
Ancient fine triangular projectile point typology under consideration here, is
the degree of “coarseness” of serration required for analysts to classify a
specimen as a Type 3 Fine Triangular: Coarsely Serrated point (Figure 1). Specimens assigned to this type are
distinguished by their coarsely serrated lateral margins (Railey
1992:158). Assignment of a point to this
type, then, depends on the analyst recognizing and privileging the presence of
coarse serrations over other prominent attributes, such as basal shape. The range of variation subsumed within Type 3
Fine Triangular: Coarsely Serrated points is highlighted in Figure 1. The specimens in the top and middle rows were
recovered from Fox Farm. They are very similar
to those Railey (1992:159) illustrated as examples of this type (recovered
mainly from Fox Farm, but also from Thompson and Augusta). The two on the bottom row are from Elk
Fork. In our opinion, the example on the
right does not conform to the type, as it is not coarsely serrated.
Bradbury et al. (2011) asked: “Are any of the fine triangular projectile
point types, in and of themselves, temporally diagnostic?” Based on the results
of their research, they determined the individual types were not temporally
diagnostic, and so they concluded that the typology itself was not valid and they recommended researchers no longer use
it. Bradbury et al. (2011) did not assess the utility of the typology
to: characterize site/site component projectile point assemblages; make intersite and interregional comparisons;
identify temporal trends in triangular projectile point morphology; and assess
the extent to which changes in triangular projectile points are related to
hunting practices.
The typology did help Bradbury et al. (2011) determine
that the Elk Fork site inhabitants used a variety of triangular projectile
points. But having established this fact,
they never asked any follow-up questions, such as:
·
Why is such a
diverse set of projectile points associated with such a small site?
·
Is this
assemblage more diverse than contemporary Early Fort Ancient assemblages?
·
To what extent
does the diversity of projectile points within the Elk Fork assemblage reflect this
site’s transitional Late Woodland/Fort Ancient occupation, its
Figure 1. Type 3 Fine Triangular: Coarsely
Serrated: Top and middle rows, Fox Farm;
Bottom row, Elk Fork (from Bradbury et al. 2011).
Railey’s typology is well-suited to address all of
these questions. To illustrate this
point, in the following section, we illustrate how the typology can be used to
address these issues. We will compare the Elk Fork fine triangular projectile
point assemblage to those recovered from 22 Fort Ancient sites in northern,
central, and northeastern Kentucky (Figure 2 and Table 1).
Comparison
In making intersite comparisons, it
is important to use data from relatively large
Figure 2.
Sites from which triangular projectile point assemblage data were used
in this comparison.
To highlight the merits of this advice, in this
example, we restricted our sample to those sites/components (n=24) from which
15 or more identifiable specimens of Types 2 through 6 fine triangular projectile
points have been recovered primarily from excavated contexts where there is
little evidence for mixing of components (Table 1). We would have preferred to only use site
assemblages containing 30 or more specimens, as such samples are statistically more
valid and robust. Unfortunately, if we
had done so, our comparative sample would have consisted of only 14 sites.
Table 1.
Component/Site Name/ Frequency /Region |
Type 2 |
Type 2.1 |
Type 3 |
Type 3.1 |
Type 4 |
Type 5 |
Type 6 |
Early
|
|
|
|
|
|
|
|
Elk Fork (n=32)
(Eastern Mountains)1 |
65.6% |
|
6.3% |
|
6.3% |
6.3% |
15.6% |
Dry Run (n=42)
( |
50.0% |
2.4% |
2.4% |
|
|
45.2% |
|
Muir (n=46) ( |
45.7% |
23.9% |
|
17.4% |
|
13.0% |
|
Late
Early/early Middle (A.D. 1150-1250) |
|
|
|
|
|
|
|
Bedinger (n=69)
( |
68.1% |
|
|
|
2.9% |
26.1% |
2.9% |
Cox (n=17) ( |
70.6% |
|
|
|
|
29.4% |
|
Dry Branch Creek
(n=29) ( |
58.6% |
|
|
|
|
34.5% |
6.9% |
Kentuckiana
Farm (n=36 (Central Ky)7 |
30.6% |
25.0% |
8.3% |
2.8% |
5.6% |
27.8% |
|
Van Meter
(n=20) ( |
65.0% |
|
|
|
|
30.0% |
5.0% |
Middle
|
|
|
|
|
|
|
|
Guilfoil (n=18)
( |
50.0% |
|
16.7% |
|
|
33.3% |
|
Broaddus (n=94)
( |
42.6% |
|
10.6% |
|
3.2% |
43.6% |
|
Kenney (n=65) ( |
66.2% |
|
4.6% |
|
1.5% |
26.2% |
1.5% |
Singer (n=26) ( |
34.6% |
11.5% |
19.2% |
7.7% |
|
26.9% |
|
Carpenter Farm
(n=17) ( |
17.6% |
|
17.6% |
|
|
64.7% |
|
Fox Farm (n=55)
( |
23.6% |
|
41.8% |
|
7.3% |
27.3% |
|
|
23.5% |
5.9% |
29.4% |
5.9% |
5.9% |
29.4% |
|
Early
Late |
|
|
|
|
|
|
|
Capitol View
(n=65) ( |
7.7% |
|
1.5% |
|
7.7% |
70.8% |
12.3% |
Sweet Lick Knob
(n=59) ( |
5.8% |
1.8% |
5.8% |
1.8% |
6.8% |
78.0% |
1.7% |
Fox Farm (n=40)
( |
7.5% |
|
12.5% |
|
17.5% |
32.5% |
30.0% |
New Field
(n=85) ( |
|
|
1.2% |
|
9.4% |
68.2% |
21.2% |
|
15.4% |
|
3.8% |
|
15.4% |
61.5% |
3.8% |
Late
Late |
|
|
|
|
|
|
|
|
|
|
|
|
15.0% |
40.0% |
45.0% |
Goolman (n=107)
( |
|
|
|
|
|
24.3% |
75.7% |
Larkin (n=55) ( |
3.9% |
|
3.9% |
|
11.8% |
23.5% |
56.9% |
Bentley (n=52) ( |
|
|
|
|
32.7% |
17.3% |
50.0% |
1Cooper
2005; 2Henderson 1998b; 3Henderson 2006; 4Raymer
2008; 5Raymer 2011; 6Pope 2005; 7Picklesimer and Miller
2010; 8Raymer et al. 2012; 9Henderson 1998e; 10Carmean
2010; 11Pollack and Hockensmith 1992; 12Railey 1992,
Pollack and Henderson 2012; 13Henderson 1998a; 14Steve
Ahler, personal communication 2011; 15Updike 1996; 16Flood
1993; 17Henderson 1998d; 18Stokes 1996; 19Henderson
and Gray 2000 |
Like Bradbury et al. (2011), we restricted ourselves to a
consideration of just fine triangular projectile point Types 2 through 6. Not included in this intersite comparison
were: Type 1 Fine Triangular: Small Tri-Incurvate points, Type 7 Fine
Triangular: Thick, Wide Base points, Crude Triangular points, and unassigned
points. These four types/groups can
account for as much as 30 percent of the triangular projectile points recovered
from a site.
Using
this 15-specimen minimum, the only site/components included here from Railey’s
initial study are
Several
sites included in Bradbury et al.’s (2011) study also met our criterion, but
were published on, before, or as Railey was finalizing his typology. These include Muir (Sharp 1988), Dry Run
(Sharp 1984), Guilfoil (Fassler 1987), Florence Hr22 (Sharp and Pollack 1992),
Larkin (Pollack et al. 1987), and Carpenter Farm (Pollack and Hockensmith
1992). In this comparison, we rely on subsequent analysis of these collections,
which often led to a reassessment of some of the original classifications. For instance,
Table
1 reflects much of the variation in triangular projectile point assemblages observed
by Bradbury et al. (2011): often all point types are present. They are,
therefore, present throughout the
Early
(A.D. 1000-1200) and late Early/early Middle (A.D. 1150-1250) Fort Ancient site
assemblages are dominated by Type 2 Fine Triangular: Flared Base/Type 2.1 Fine
Triangular: Basal Ears points (Table 1).
In fact, two-thirds of the specimens from the Elk Fork site were
classified as Type 2 Fine Triangular: Flared Base points. This is consistent
with contemporary northern, northeastern, and central Kentucky Early Fort
Ancient site. These data reflect a
preference for points with incurvate sides and a flared hafting element early
in the Fort Ancient sequence.
At
most Early and late Early/early Middle Fort Ancient sites, Type 5 Fine
Triangular: Straight Sided points are the second most common type. The
exceptions are Elk Fork, where Type 6 Fine Triangular: Concave Base points are
the second most common type, and Muir, where Type 3.1 Fine Triangular: Finely
Serrated points, the predecessor to Type 3 Fine Triangular: Coarsely Serrated points,
is the second most common type. Like at
Elk Fork, Type 6 Fine Triangular: Concave Base points are present at Dry Branch
Creek, Van Meter, and Bedinger. Type 3 Fine
Triangular: Coarsely Serrated points were recovered from just Elk Fork and Dry
Run. Type 4 Fine Triangular: Short,
Excurvate points are present at 37.5 percent of Early and late Early/early
Middle Fort Ancient sites, but never account for more than 6.3 percent of the
triangular projectile point assemblage.
Overall, at Early and late Early/early Middle Fort Ancient sites, Type 2
Fine Triangular: Flared Base, Type 2.1 Fine Triangular: Basal Ears, and Type 5 Fine
Triangular: Straight Sided points account for 71.9 to 100.0 percent of site
projectile point assemblages. These types account for more than 90 percent of
the points at six of the eight sites (Table 1).
The Middle
Fort Ancient (A.D. 1200-1400) is marked by an increase in the popularity of
Type 3 Fine Triangular: Coarsely Serrated points, and a decrease in Type 2 Fine
Triangular: Flared Base and 2.1 Fine Triangular: Basal Ears points. In general, the percentage of Type 5 Fine
Triangular: Straight Sided points in site collections remains relatively consistent
vis-a-vis the Early Fort Ancient. Fox Farm has the highest percentage of Type 3
Fine Triangular: Coarsely Serrated points: these distinctive points account for
41.8 percent of the triangular points at this site.
There
appears to be a distance-decay factor at work with respect to Type 3 Fine
Triangular: Coarsely Serrated points during the Middle Fort Ancient. Sites
located closest to Fox Farm, such as
Throughout
central
During
the Middle Fort Ancient, Type 4 Fine Triangular: Short, Excurvate points
continue to be present, but in low numbers.
This type appears to increase in popularity toward the end of the subperiod
accounting for more than five percent of the projectile points at Florence Hr22
and Fox Farm, both of which were occupied towards the end of the Middle Fort
Ancient subperiod. Type 6 Fine Triangular: Concave Base points were found only at
one Middle Fort Ancient site (Table 1).
The
increased preference for Type 3 Fine Triangular: Coarsely Serrated points during
the Middle Fort Ancient, if not simply a stylistic preference, may be related
to population aggregation and larger villages documented for this subperiod (Pollack
and Henderson 2000). This may have resulted
in the need to ensure greater success in the recovery of big game (deer, bear,
elk) for these larger communities.
The
coarsely serrated lateral margins of Type 3 points provide two functional
qualities that would have aided Fort Ancient hunters of big game: grip and cut.
Grip is critical when hunting big game, such as bear. These animals have a high
fat content that can, and often does, seal the wound channel inflicted by the
projectile and help “plug” the wound. This results in less blood loss, which
means less effective tracking, and thus fewer animals taken. For other big game animals, such as elk, an
effective cut is needed to penetrate the thicker hide (Miller and Sanford
2010). The jagged cut caused by
serrations would have increased the blood trail and damage caused by an animal
running with an embedded serrated point. Tracking would be more effective in
these situations and hunting success would be greater. Serrations also provide bulk/mass that helps
retain edge support. It is also likely, although not quantifiable at this time,
that serrations increase the available cutting edge. Interestingly, the efficiency and effectiveness
of serrated triangular arrow points is supported by their continued use by
modern archers, albeit made from modern raw materials (Miller and Sanford
2010).
During
the early Late Fort Ancient (A.D. 1400-1550), Type 5 Fine Triangular: Straight
Sided points reach their peak of popularity. This type can account for as much
as 78.0 percent of site assemblages (Table 1). Type 4 Fine Triangular: Short,
Excurvate and Type 6 Fine Triangular: Concave Base points also increase in
popularity at this time, and there is a sharp decline in the presence of Type 3
Fine Triangular: Coarsely Serrated points.
That the latter accounts for 12.5 percent of the points at Fox Farm
likely represents occupational continuity from the earlier Middle Fort Ancient
component at this site.
Early Late Fort Ancient triangular points tend to be
smaller than earlier
Reduction
in projectile point length may be tied to changes in hunting practices and
access to/choice of raw materials. Continued population aggregation and growth of
At late
Late Fort Ancient sites (i.e., those with post-A.D. 1550 components), Type 5 Fine
Triangular: Straight Sided points continue to be present in substantial
numbers, but the type is no longer the most popular, having been supplanted by
Type 6 Fine Triangular: Concave Base points (Table 1). These two point types (5 and 6) account for
at least 17 or 45 percent, respectively, of site assemblages. Together, they
account for more than 67 percent of the points recovered from late Late Fort
Ancient sites. Type 4 Fine Triangular:
Short, Excurvate points continue to be present, and a few examples of Type 2 Fine
Triangular: Flared Base and Type 3 Fine Triangular: Coarsely Serrated points
have been found at the latest Fort Ancient sites.
Discussion
From
this analysis, it is clear that a single triangular projectile point type alone
cannot be used to date a
Given
these trends, it is clear that, rather than looking at a particular point type,
researchers should consider the spectrum of points recovered from a site component
when attempting to interpret its age. Bradbury et al. (2011:18) reached a
similar conclusion.
Conclusion
For more than 20 years, we have found Railey’s 1992
typology, with some subsequent modifications, to be quite useful for dating
site components, identifying diachronic changes in projectile point shape, and examining
intersite and interregional variation in the manufacture and use of triangular
projectile points. Patterns in ceramic data and suites of radiocarbon dates
support the diachronic patterns identified in the projectile point data.
Bradbury et al. (2011:21) note that Fort Ancient
triangular projectile points vary in shape, and that this variation has a temporal
component. They also note that other factors, such as resharpening,
intersite/interregional differences in rates of adoption, and the recycling of
earlier points by later groups, have contributed to the observed
variation. Bradbury et al. (2011) suggest that archaeologists should seek to identify the factors
that led to the variation observed in the archaeological record and the extent
to which these factors are similar across the
We could not agree more.
Having identified differences in projectile point shape, hafting
elements and degree of serration, it is important for archaeologists to determine
the extent to which these attributes are related to a tool’s function or if
they are linked more closely to stylistic preferences.
Where we disagree with Bradbury et al. is the extent to
which the observed variation negates the usefulness of the existing typology. We
feel that the regional data support the use of the 1992 typology as modified
and that it continues to be a useful research tool.
What we need to do now in
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