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Folded, metamorphosed granite, gneiss, hidden in one of the rock scambles of the Billy Goat Trail along the C&O Canal and the Potomac River. Chesapeake and Ohio Canal National Historical Park near Great Falls in Montgomery County, Maryland.
The last Gigapan of the road trip from Pennsylvania to California came a day after the Tetons at Lake Tahoe. After leaving the Tetons we passed through Idaho Falls then crossed down in to northern Nevada. We drove as far as we could before spending the night in a hotel near a small town called Battle Mountain. Nor...