Glen Echo vicinity>
George Washington Memorial Parkway Northbound Lane Overpass, Spanning Clara Barton Parkway, Glen Echo, Montgomery County, MD
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Spanning Clara Barton Parkway, Glen Echo vicinity, MD
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Documentation compiled after 1968.
Survey number HAER MD-96
Building/structure dates: 1961 initial construction
Significance: Built as part of the Maryland segment of the GWMP.
Bureau Of Public Roads
Historic American Engineering Record (Library of Congress)
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