This document has been archived and replaced by: nsf13562.
EarthScope Archived
Document Type: Program Announcements & Information. View Program Page
Document Number: nsf12550
Document History: Posted: April 5, 2012. Replaces: nsf10576. Replaced By: nsf13562.
For more information about file formats used on the NSF site, please see the Plug-ins and Viewers page.