|資料の種類：||Government publication, National government publication|
William Hendricks; Duff Green; United States. Congress. Senate. Committee on Roads and Canals.; United States. Congress Senate.
|注記：||Title from caption title and opening lines of text. At head of title: 20th Congress, 2d Session. .
Duff Green was printer to the Senate during the 20th Congress, 2nd session.
Last page blank.
|物理形態：||3,  p. ; 23 cm.|
|シリーズタイトル：||Senate document (United States. Congress. Senate), 20th Congress, 2nd session, no. 73.|