To enact title 54, United States Code, "National Park System", as a positive law title
Subtitle: report (to accompany H. R. 1950) (Including cost estimate of the Congressional Budget Office)
Series: Report / 112th Congress, 2d session, House of Representatives -- 112-631
Publisher: U.S. G.P.O.
Published: 2012
Place of publication: Washington, D.C
Language: eng
Format: [electronic resource] :
Number of pages: 104
Subjects: National parks and reserves; Law and legislation; Codification
Notes: Title from title screen (viewed on Aug. 1, 2012).

"July 31, 2012."