Bitterroot Point

This triangular side notch point exhibits a medium size and an elliptical profile. Its blade morphology varies from subtly curved to straight, displaying a range of excurvate to rectilinear forms. The notches, which can be either parallel or diagonal, tend to be narrow and exhibit a range of depths, with deeply notched specimens being particularly prevalent. The point's shoulders are characterized by a horizontal orientation, accompanied by an expanded stem. The basal edges typically converge towards the base, forming rounded corners that soften the point's overall silhouette. The base itself is generally straight, although some specimens may display a slight concavity or convexity. The flaking pattern on this point is random, lacking a discernible order or orientation.

The dimensions of the arrowheads are as follows: they range in overall length from 28 to 114 mm, with a typical average length of 40 to 60 mm. The stem measures between 11 and 16 mm in length. The blade width varies from 16 to 34 mm, while the neck width ranges from 10 to 17 mm. The width of the stem is between 14 and 33 mm. In terms of thickness, the arrowheads measure between 4 and 8 mm.

This type is mainly located in northern Idaho, northwestern Wyoming, western Montana, and into southern Alberta, southeastern British Columbia, and southern Saskatchewan. These points may stretch into the Dakotas, but further investigation is required to confirm the distribution there

In the realm of Native American arrowheads, a particular point of interest exhibits similarities with the Northern Side Notch and the Cold Springs Side Notch, all of which display overlapping attributes. According to Homer's 1980 research, the classification of these three types can be problematic due to their inconsistent application. A common approach to differentiating between the Northern Side Notch, Bitterroot, and Cold Springs Side Notch is based on their geographic distribution, with the Cold Springs type predominantly found on the Columbia Plateau, the Bitterroot type located on the Northern Plains, and extending into the Northern Great Basin.

A notable study conducted by Homer in 1980 involved a comprehensive analysis of measurements for these three arrowhead types. The results revealed that there were no significant distinguishing characteristics that could reliably set one type apart from the others. This finding highlights the complexity and nuance of arrowhead classification, underscoring the need for a more refined understanding of the subtle variations that exist between different types. By examining the morphological attributes and distribution patterns of these arrowheads, researchers can gain a deeper insight into the cultural and technological practices of the Native American groups that created them.

The similarities and overlapping characteristics between the Northern Side Notch, Bitterroot, and Cold Springs Side Notch arrowheads serve as a reminder of the dynamic and interconnected nature of Native American cultures. The fact that these types are found in distinct regions, yet share common attributes, suggests a level of cultural exchange and technological diffusion that transcended geographic boundaries. As archaeologists continue to study and refine our understanding of these arrowhead types, we may uncover new insights into the lives and traditions of the Native American communities that crafted them, ultimately enriching our appreciation for the complexity and diversity of Native American cultural heritage.