The collection documents railroad engineer R. Wallace Steel and his work with railroads, primarily in Pennsylvania and Missouri.
Personal papers of Alexander Van Valen documenting his participation in the California Gold Rush, 1849-1850.
The papers of Silas H. Woodard include the Isthmian Canal Commission Report containing text, maps, profiles, and plates, 1899-1901; photograph albums on the East River Tunnel, 1904-1908; reports on the regulation of the levels of the Great Lakes, 1910-1914; and reports dealing with the development of hydroelectric power on the St. Lawrence River, 1...
The collection contains drawings of mine machinery and buildings, including buildings within the company town such as worker housing and churches; photographs, including glass plate negatives, of mining machinery, operations, and employees; papers relating to Eckley B. Coxe's patents; legal papers; maps, including real estate maps, contour and topo...
These maps accompanied the Barry letters in Manuscript 4350-a.Some are Indian maps, or copies of Indian maps. Some of them are connected with Lewis and Clark is a map by William Clark of "tracks across the western portion of the United States."
The collection documents civil engineer Horatio Allen's work with the Croton Aqueduct Board in New York, and with the New York Bridge Company.
18th, 19th, and 20th century material deposited with the Medical and Chirurgical Faculty of the State of Maryland, chiefly relating to the practice of medicine in the state. Includes correspondence, papers, certificates, diplomas, patents, maps, notebooks, clippings, prescriptions, pamphlets, photocopies of documents, scrapbooks, photographs, and p...
This collection was created by the Archives Center to bring together materials relating to the 1968 Mexico City Olympics. Items relate to team members and include postcards, event programs, press guides, magazines, articles, and dining hall tickets.
The collection is comprised of the results of Shanks's research on covered bridges, mostly in America but also covered bridges in Canada and Switzerland. Included are albums containing color photographs of covered bridges, slides of covered bridges, postcards depicting covered bridges; maps, and guidebooks; newsletters, magazines, and newspaper clippings on the subject of covered bridges.
Collection documents various aspects of the development, implementation and research value of the Bollman truss bridge design.