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Five minutes up from camp at the park HQ and visitor center, there were a couple of interpretive signs I found interesting enough to snapshot. The precambrian rocks at upper left include the gorgeous BIF (banded iron formation) outcrops that produce the river cobbles I collect.
G1_InterpSign.jpg (671 Kb) (under photos/17/0703-0825_WyomingVanEclipse/0816_DriveAndSeminoe/)
By Alan Silverstein, ajs@frii.com (page updated Sun Mar 9 14:33:54 MDT 2025)