Cantilevers

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

2017 Charles E. Peterson Prize Significance: The Affleck House is the first Frank-Lloyd Wright-designed house in the Detroit metropolitan area. It is one of the finest examples of the architect's Usonian style, More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: The oldest extant steel cantilever bridge in Washington. It is a good example of early-twentieth century cantilever bridge construction using carbon steel. The structure served first at Vantage Fe More

Significance: Watertown city officials declared the existing Milwaukee Street Bridge unsafe in 1929 and began considering plans for erecting a steel girder or concrete bridge. Daniel B. Luten, a prominent brid More

Significance: Watertown city officials declared the existing Milwaukee Street Bridge unsafe in 1929 and began considering plans for erecting a steel girder or concrete bridge. Daniel B. Luten, a prominent brid More

Significance: Watertown city officials declared the existing Milwaukee Street Bridge unsafe in 1929 and began considering plans for erecting a steel girder or concrete bridge. Daniel B. Luten, a prominent brid More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

Significance: The Robie House is one of the best known early works of Frank Lloyd Wright. It has been cited as a Landmark by the Commission on Chicago Architectural Landmarks: "In recognition of the creation of More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More

See also HAER NE-2 for additional documentation. Significance: Designated a National Historic Civil Engineering Landmark because it was the third longest railroad bridge in the world at 790' when completed. It More