Shubow said his organization is actively encouraging Congress, which appropriates some of the funding for the monument, to intervene.
Rep. Rob Bishop (R-Utah), chairman of the Natural Resources subpanel dealing with national parks, suggested in March that he could recommend withholding further appropriations if stakeholders are unable to reach an agreement.
A spokeswoman for the Natural Resources Committee told Roll Call the panel is continuing to watch the situation closely but no decisions have been made about how to proceed.
Vice President Joe Biden waits to conduct a mock swearing-in ceremony with Sen. Brian Schatz, D-Hawaii, in the Capitol's Old Senate Chamber, December 2, 2014. Schatz was sworn in to serve the remainder of his term since he was appointed to the seat after Sen. Daniel Inouye, D-Hawaii, passed away.