Pile trestles as channel obstructions
By: by David L. Yarnell.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 429; Technical bulletin (United States. Dept. of Agriculture) -- no. 429.
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington
Language: eng
Number of pages: 26
Subjects: Trestles -- Research.; Bridges -- Foundations and piers -- Research.; Hydrodynamics.
Other titles: Channel obstructions.
Notes: Caption title.

Literature cited: p. 25.