A few are glacial deposits. At Pound we continue straight on a cutoff while the highway turns. Cross Highway 64 and park in the gravel pit. Pound Esker Walking into the Pound Esker. The entire access road was once occupied by a gravel ridge that has been dug away.
Most students estimate the slope as being much steeper than it really is.
The pit was dug mostly to get gravel for concrete, and the sand was left behind. It's a popular place for dirt bikers. Students usually estimate the steep face of the pit as having a slope of 45 to 70 degrees, but this photo shows that slopes in unconsolidated materials are actually pretty moderate, typically about 30 degrees. In 1997, a sharp-eyed student spotted a buried bone in the embankment along the southwest side of the pit. The bone appeared to be located in a charcoal-lined pit.