Hidden Valley Rockshelter, 23JS7


Early Archaic Period artifacts in the lowest level at Hidden Valley Rockshelter (Chapman 1948:Figure 32A). Estimated measurements from the original published illustrations: Specimen 1 is the type specimen of the Hidden Valley point (Chapman 1975:Figure A-14), length = 11.3 cm and width = 4.1 cm. Specimen 2, length = 10.0 cm and width = 3.6 cm. Specimen 3, length = 5.4 cm and width = 3.0 cm. Specimen 4, length = 10.6 cm and width = 3.4 cm. Specimen 5, length = 14.8 and width = 4.0 cm.


Middle Archaic Period (except for no. 2) from the middle level at Hidden Valley Rockshelter (Chapman 1948:Figure 32B). Estimated measurements from the original published illustrations: Specimen 1, length = 3.8 cm and width = 3.6 cm. Specimen 2 (Dalton Point), length = 4.4 cm and width = 2.2 cm. Specimen 3 (resharpened Rice Lobed), length = 4.4 cm and width = 2.2 cm. Specimen 4, length = 4.8 cm and width = 3.8 cm. Specimen 5, length = 2.8 cm and width = 3.4 cm. Specimen 6, length = 2.6 cm and width = 2.8 cm. Specimen 7, length = 3.4 cm and width = 3.1 cm.

Artifacts from the earliest group (Layer 1) including two Hidden Valley "type" points (upper right corner and upper left corner).


Artifacts that Adams characterized as Early Woodland. Several of the artifacts, especially the side-notched points and the concave base Dalton point, belong to the Archaic Period.



Several projectile points from Gully B feature (the older channel) published by Adams (1949: Figure 20A). Artifact 8 is an eroded, cordmarked pottery sherd tempered with coarse grit. Artifact 9 is described as a fragment of a winged bannerstone.


Eight projectile points from the earliest occcupation level of Hidden Valley Rockshelter; published by Adams (1949: Figure 17A).


Projectile point from Hidden Valley rockshelter (Adams 1949).

Adams, Robert McCormick
1941 Archaeological Investigations in Jefferson County, Missouri: 1939 - 1940. Transactions of the Academy of Science of St. Louis 30(5).

1949 Archaeological Investigations in Jefferson County, Missouri. Missouri Archaeologist 11(3 and 4).

Chapman, Carl
1948 A Preliminary Survey of Missouri Archaeology, Part IV: Ancient Cultures and Sequences. Missouri Archaeologist 10 (4).

1975. The Archaeology of Missouri, I. University of Missouri Press, Columbia



Special thanks to John Strubberg for scanning images from Adams' report as his Honor's project in ANT 101 at St. Louis Community College.



Webpage constructed by Michael Fuller, 7 January 2008
Webpage updated 20 May 2011