The bill would restore the areas excised from the monument by Trump, and add additional acreage.
Advocacy groups say that's an unprecedented show of public interest.
Under the Bureau of Land Management's plan, close to 700,000 acres of previously protected land would be open to drilling and mining.
Secretary of the Interior Ryan Zinke didn't see the Bureau of Land Management's draft plan beforehand; he only learned the details when he read about them in the news.
But to those awaiting the outcome of legal challenges to the president's reductions, the planning seems premature.
A judge says the administration doesn't have to turn over legal documents for which an environmental law firm had sued.
Documents accidentally shared by the Department of the Interior reveal the prioritization of energy, ranching, and logging in the monuments review.
Trump's decision to roll back Utah's national monument protections is as much a threat to tribal sovereignty as it is to the environment.