...

-         OPTION THREE - In rare circumstances, the BLM may choose to enter into a treasure cache cooperative management program with a group or organization.  Under these arrangements, the BLM could waive SRP requirements and fees should the arrangement have a clear benefit to the BLM lands|\.  The cooperative agreement will need to clearly articulate (and hold accountable) the group or organization proposing the cooperative program.  For example, a group may propose to establish and maintain a certain number of caches for one year in exchange for organizing and conducting a series of service projects or volunteer events that had values equal to (or exceeding) what the SRP costs would be under Option One described above.

...

The above document mentions a permit (2/13/10), but I couldn't find on their website where to obtain the permit.
//

...

(http:/ /pt-lobos.parks.state.ca.us/ Geocaching%20Public%20Memo%2003.06.08.pdf)

Death Valley National Park

...