NABSQNO 16S-379520-4163110
An unnamed natural arch in Gallatin County, Illinois
Photo by Jay Wilbur
NABSQNO 16S-379520-4163110. This unnamed shelter natural arch is located in Gallatin County, near Harrisburg, Illinois. It is within the boundary of the Shawnee National Forest. This arch appeared in the Vreeland catalog as number 14-8. Vreeland reported a span of 35 feet and a height of 6 feet.
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