These artifacts were found in 1933 by University of Minnesota archaeologists when they investigated the Harvey Rock Shelter, a broad, shallow cave in the west bank of the St. Croix River, about three miles north of Stillwater. They suggest periodic occupation of the spot from Archaic to historic times.
The pottery fragments are of both Woodland (Hopewell) and Mississippian style, and the pipestem bears the name of the French maker.

The single piece of copper was found under a large boulder.

Techniques of excavation were primitive then, and little else was learned. Many rock art sites and burial mounds also were reported along the St. Croix at that time, but most are gone now.

The drawings shown here are from The Minnesota Archaeologist, October, 1944.