Collection Items
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MapTitle page
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTable of Contents-page 1
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTable of Contents-page 2
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPensacola Harbor and Bar - Florida - 1822
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTitle page
- Contributor: United States. Congress
- Date: 1843-01-01
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MapSouth West end of Lake Erie
- Contributor: United States. Congress
- Date: 1843-01-01
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MapDetroit-No.1-1820
- Contributor: United States. Congress
- Date: 1843-01-01
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MapDetroit-No.2-1820
- Contributor: United States. Congress
- Date: 1843-01-01
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MapDetroit-No.3-1820
- Contributor: United States. Congress
- Date: 1843-01-01
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MapLake St. Clair
- Contributor: United States. Congress
- Date: 1843-01-01
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MapRiver of St. Clair
- Contributor: United States. Congress
- Date: 1843-01-01
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MapLake Huron- No.1- 1820 & 1821
- Contributor: United States. Congress
- Date: 1843-01-01
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MapSt. Joseph Is., Drummond Is., and Little Manitou
- Contributor: United States. Congress
- Date: 1843-01-01
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MapText
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTitle page - Potomac Aqueduct
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPotomac aqueduct scows
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPotomac aqueduct horse pile engine
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTread wheel pile driver
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPerspective view of the work. Shewing its condition on the 10th Sept. 1837
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPotomac river - Hydrographic survey of the Potomac River near Georgetown
- Contributor: United States. Congress
- Date: 1843-01-01
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MapA map - Exhibiting the shores of the river Potomac
- Contributor: United States. Congress
- Date: 1843-01-01
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MapOperation of the derricks, at the Cofferdam No.1 of the Potomac Aqueduct
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPerspective of the booms
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPerspective of the pumping and dredging machinery
- Contributor: United States. Congress
- Date: 1843-01-01
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MapProject for an aqueduct across the Potomac at Georgetown D.C.
- Contributor: United States. Congress
- Date: 1843-01-01
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MapSouth causeway
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPlan of the circular cofferdam
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPumps for emptying the cofferdams
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPlan and section of the cofferdam for Pier No. 2
- Contributor: United States. Congress
- Date: 1843-01-01
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MapTying of the cofferdam for pier No.1.
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPart of the steam engine connected with the pumps
- Contributor: United States. Congress
- Date: 1843-01-01
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MapDouble derrick
- Contributor: United States. Congress
- Date: 1843-01-01
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MapInterior framing of the cofferdam for the southern abutment
- Contributor: United States. Congress
- Date: 1843-01-01
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MapAverage size of the piers
- Contributor: United States. Congress
- Date: 1843-01-01
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MapSteam engine used in dredging and pumping out cofferdam to Pier no. 2
- Contributor: United States. Congress
- Date: 1843-01-01
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MapSteam engine used in pumping out cofferdam to pier no.2
- Contributor: United States. Congress
- Date: 1843-01-01
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MapJackscrew - used by the masons for turning large stones
- Contributor: United States. Congress
- Date: 1843-01-01
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MapMortar Mill from a sketch
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPumping machinery at the abutment cofferdam
- Contributor: United States. Congress
- Date: 1843-01-01
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MapPerspective of the pumping machinery at the abutment cofferdam
- Contributor: United States. Congress
- Date: 1843-01-01