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.
Rep. Elijah Cummings, D-Md., right, hugs Harold Schaitberger, General President of the International Association of Fire Fighters, after the Congressman spoke at the IAFF's Legislative Conference General Session at the Hyatt Regency on Capitol Hill, March 9, 2015. The day featured addresses by members of Congress and Vice President Joe Biden.