DescriptionLedger Formation Valley Forge NP 20240914.jpg
English: Outcrop of Ledger Formation located in the "lower" parking lot of the visitor center at Valley Forge National Historic Park. The outcrop is a wall of an abandoned dolostone quarry that was partially filled in to create the parking lot. Facing south. The beds dip 30 to 45 degrees to the south. Stromatolites are present.
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