21,198 results found

Federal Capital Improvements Program, the national capital region, fiscal years 1988-1992 : [Washington D.C. metropolitan area].

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Great Falls power, plan & profile of conduit

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Exhibit chart showing streets & avenues of the cities of Washington and Georgetown, improved under the Board of Public Works, D.C. : Nov. 1st 1873 : gas mains.

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Exhibit chart showing streets & avenues of the cities of Washington and Georgetown, improved under the Board of Public Works, D.C. : Nov. 1st 1873 : water mains.

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Map showing water mains, stop valves, fire plugs, and elevations in the city of Washington, D.C.

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Map of the city of Washington showing the location of the water mains

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Map of the city of Washington showing the system of water supply & distribution : to accompany the annual report of Cap't J.L. Lusk, Corps of Eng'rs U.S.A.

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Map of the city of Washington showing the system of water supply & distribution : to accompany the annual report of Cep't J.L. Lusk, Corps of Eng'rs U.S.A.

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Map of the city of Washington showing water mains : to accompany the annual report of the Engineer Department, D.C., for the year ending June 30, 1894

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Map of the city of Washington showing water mains and fire hydrants : January 15th 1900

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Map of the city of Washington showing project for re-arrangement of water distribution system

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[Map of B Street Sewer and associated ponds, Washington D.C.].

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Exhibit chart showing streets & avenues of the cities of Washington and Georgetown, improved under the Board of Public Works, D.C. : Nov. 1st 1873 : sewers.

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Plan for sewering the city of Washington, D.C. : and at the same time purify B-Street Sewer and James Creek Canal, and prevent floods, which are so frequent, by means of "an ...

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City of Washington showing location of sewers referred to in advertisement and specifications dated July 1st 1884

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City of Washington showing location of sewers referred to in advertisement and specifications dated Aug. 16th 1884

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Map of the city of Washington showing the location of the sewers

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Map of the city of Washington showing the location of sewers : October 1st 1888

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Map of the city of Washington showing the location of sewers : Jan. 1st 1890

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Map of the city of Washington showing present main sewerage and sewage outfalls : also the territory flooded in June 1889.

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Map of the city of Washington showing sewers : to accompany the annual report of the Engineer Department, D.C., for the year ending June 30, 1894

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Washington, D.C., and vicinity transportation map

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Directional commuting, census tract-level approach, Washington-Baltimore and vicinity

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Compendious chart exhibiting, at one view, the names of about thirteen hundred of the principal ports and places in the world, with their bearings per compass, and their distances expressed in geographical ...

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Compendious chart exhibiting, at one view, the names of about thirteen hundred of the principal ports and places in the world, with their bearings per compass, and their distances expressed in geographical ...

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