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Stabilization of Mary's Wall

Persistent leaks in the canal through this stone structure has raised concerns that wall will become structurally unstable and the towpath cannot be trusted to hold the type of heavy equipment needed to properly maintain the canal or used to prepare the protective stop lock structure during flood events, thus exposing nine miles of canal and other historic structures to extensive damage during a high water event on the Potomac River.

- Water through face of Mary's Wall

U.S. National Park Service

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Preservation and restoration of structures, ()

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Chesapeake and Ohio Canal National Historical Park, Code: CHOH

Mile 14.06, Chesapeake and Ohio Canal National Historical Park, Montgomery County, Maryland
Latitude: 39.0047607421875, Longitude: -77.2514114379883

PMIS (Project Management Information System) : 127840
PEPC (Planning, Environment and Public Comment) : 7396
Legacy NPS Focus Record ID : 234268

Chesapeake and Ohio Canal National Historical Park Digital Collection

05/03/2006

01/01/2006

Public Can View

C&O Canal staff

Paula McMurry

Thursday, December 14, 2006 3:47:54 PM

Wednesday, August 9, 2017 12:00:50 PM

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SONY SONY, CD MAVICA

10/2500 sec at f / 2.8

9.3 mm

ISO 100

Wednesday, May 3, 2006 10:09:19 AM

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947.8 kB

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