Trump's order is expected to instruct the Interior Department to review every designation since President Clinton created Utah's 1.9 million-acre Grand Staircase-Escalante Monument in 1996.
"National monument" land has come to be synonomous over the years with a bar to drilling for fossil fuels on public land, or other commercial activities.
SIEGLER: And, Ari, I think the big point here is that this is potentially untested territory if in fact the executive branch, the administration goes forward on its own without the authority of Congress to either nullify or abolish a national monument or even shrink one.
North and South Sixshooter peaks stand sentinel over Bears Ears National Monument, with Canyonlands National Park in the background.
Still, Zinke said the Interior Department has drifted away from multiple use in favor of single use of the land and needs to restore trust between the federal agency and the states, particularly those in the West.
Utah Senator Orrin Hatch visited San Juan County in the past week and reported on his visit with an April 24 speech on the floor of the U.S. Senate.
"The executive order will direct me as the secretary to review prior monument designations and to suggest legislative changes or modifications to the monuments", Interior Secretary Ryan Zinke told reporters at the White House Tuesday evening.
"President Trump is clearly doing the bidding of the Utah congressional delegation, who are without question the most aggressive federal lawmakers seeking to seize, dismantle and privatize America's public lands", Suckling added.
In the crosshairs: the controversial Bears Ears National Monument.
The senators' statement urged the president "to live up to his repeated promises on the campaign trail to protect public lands for all Americans and uphold the existing protections for the 157 national monuments, which have been designated throughout the decades by almost every US president of the last century".
Clair said he welcomed the chance to tell a House Committee on Natural Resources subcommittee about the Katahdin Woods and Waters National Monument.
According to the paper the review will "discern whether [the monuments] are within the law's intent".
The area lies near where EOG Resources EOG.N - a Texas-based company - had been approved to drill.
Polling consistently shows that people love monuments, parks and other shared places-an affection that the most recent release of National Park Service visitor data resoundingly underscores-and Trump's action runs totally counter both to that tradition and his pretensions to represent the interests of ordinary Americans.
The move comes as Trump seeks to reverse a slew of environmental protections ushered in by former President Barack Obama that he said were hobbling economic growth - an agenda that is cheering industry but enraging conservationists. And in his new executive order, we see what can only be considered an oblique strike at the idea of national public lands that belong to all Americans.
Short said the review is more about the impact on local landowners, although the review would include the Antiquities Act.
Zinke, a former GOP congressman from Montana, retired Navy Seal commander and outdoorsman, said he remains opposed to any state effort to gain control of federal lands through mass transfer. You can't find a state legislator who supports it.
Protected public lands are also economic generators for communities across the country. She said businesses and real estate in the area have boomed since the designation was created.