Report on concrete operations and tests
Subtitle: John Day Dam, Columbia River, Oregon and Washington
By: prepared by Office of the Resident Engineer, U.S. Army Engineer District, Walla Walla, Corps of Engineers.
Contributors: United States. Army. Corps of Engineers. Walla Walla District.
Publisher: The District
Published: 1969
Place of publication: Walla Walla, Wash
Language: eng
Number of pages: 129
Subjects: Concrete construction -- John Day Dam (Or. and Wash.); Concrete -- Testing; John Day Dam (Or. and Wash.) -- Design and construction
Other titles: Concrete operations and tests, John Day Dam.
Notes: Title from cover.

"1 July 1969."