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Jon Wolz will lead a hike to the site of the quarry that was the source of the Potomac Marble used in the construction of the U.S. Capitol.

Rendezvous at 10:30 a.m. at Dickerson Conservation Park parking lot. The group will walk downstream to milepost 38 and then leave the towpath to investigate Benjamin Latrobe’s marble quarry on the berm side just a short distance away. Please remember to bring your mask. The walk will be 3.6 miles roundtrip.

Paul Kreingold, who has written about the quarry, will join the group.

You must register in advance for this hike. Capacity is limited. Please contact Jon Wolz (240-888-5367 or [email protected]) to register or get more information.