Other organizations, including the Outdoor Industry Association (OIA), have also expressed concern over Trump's national monument agenda.
President Trump travelled to Salt Lake City to make the announcement and declared the millions of acres of land is now open for hunting and economic development.
The Grand Staircase-Escalante National Monument, created by Bill Clinton in 1996, will be downsized from 1.9 million acres to 1 million acres.
Nonprofit environmental law organization Earthjustice filed
According to Earthjustice, the Antiquities Act grants presidents the authority to designate public land as federally protected areas under national monuments to safeguard significant features of natural, cultural, historic or scientific interest.
Pidot said they will argue that under the U.S. Constitution, the president doesn't have the right to undo designations made under the Antiquities Act, that's the job of Congress.
Interior Secretary Ryan Zinke said the lawsuit won't change the administration's decision.
Ancient granaries, part of the House on Fire ruins are shown here in the South Fork of Mule Canyon in the Bears Ears National Monument.
In the proclamationannouncing the redrawn boundaries of Bears Ears, President Trump claimed that the move was necessary due to "the lack of a threat of damage or destruction to many of those objects".
"Americans have overwhelmingly spoken out against the Trump Administration's unprecedented attempt to shut down our national monuments", said Patagonia CEO Rose Marcario in a statement. "In that light, we believe there is a compelling case to maintain the integrity of our existing national monuments".
Game of Thrones star says final season won't air until 2019
If former Khal Drogo actor and current Aquaman Jason Momoa's recent set visit is anything to go off of, the strategy is working. When Game of Thrones returns in 2019 it will be with giant-sized episodes, previously confirmed to each be feature length.
Wembley to host 7 matches of UEFA Euro 2020 matches
In Nyon , UEFA president Aleksander Ceferin said the decision of UEFA's executive committee had been unanimous. They didn't expect a decision until January and they did not know whether that would be a yes or a no.