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Sources: Capitol Riverfront Business Improvement District,, District Office of Planning, District Department of Transportation, Washington DC Economic Partnership, Forest City Washington, Monument Realty, PN Hoffman Realty, Peterson Companies, National Park Foundation, Arlington County, Interstate Commission on the Potomac River Basin; “On This Spot: Pinpointing the Past in Washington, D.C.,” by Douglas E. Evelyn and Paul Dickson.
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