Survey of the Allegheny river
Subtitle: Letter from the Secretary of war, in reference to the survey of the Allegheny river ...
Series: Ex. doc. (United States. Congress. House) -- 45th Congress, 3rd session, no. 21
Publisher: Govt. Print. Off.
Published: 1879
Place of publication: Washington
Language: eng
Number of pages: 17
Notes: Caption title.