Review of report of the United States Army Engineers on flood control survey, Allegheny and Monongahela Rivers
By: by the Flood Commission of Pittsburgh, Pennsylvania ; assisted by Harold A. Thomas and Ross M. Riegel
Contributors: Riegel, Ross M. (Ross Milton), 1881-; Flood Commission of Pittsburgh
Publisher: The Commission
Published: 1930
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 57
Subjects: Civil functions; Flood control; United States. Army. Corps of Engineers
Notes: Cover title.

"April 30, 1930."