Legislation to reimburse states for operating national parks during the government shutown was introduced in the Senate on Tuesday, Oct. 15. Sens. Lamar Alexander (R-Tenn.) and Orrin Hatch (R-Ut.) introduced S 1572, which would “direct the secretary of the treasury to reimburse states that use state funds to operate national parks during the federal government shutdown”
You can read Alexander's statement on the bill at http://www.alexander.senate.gov/public/index.cfm?p=PressReleases&ContentRecord_id=81ebdb59-3ff6-4b5e-831d-db4fc88cc56c.
The bill was referred to the Committee on Energy & Natural Resources. You can read about it at http://thomas.loc.gov/cgi-bin/bdquery/D?d113:1:./temp/~bdz6vM:@@@X|/home/LegislativeData.php|.
Companion legislation is also pending in the House. For details, see the story linked to below.