President Donald Trump holds up a signed proclamation to shrink the size of Bears Ears and Grand Staircase Escalante national monuments at the Utah State Capitol Monday, Dec. 4, 2017, in Salt Lake City. Trump traveled to Salt Lake City to announce plans to shrink two sprawling national monuments in Utah in a move that will delight the state's GOP politicians and many rural residents who see the lands as prime examples of federal overreach, but will enrage tribes and environmentalist...
President Donald Trump holds up a signed proclamation to shrink the size of Bears Ears and Grand Staircase Escalante national monuments at the Utah State Capitol Monday, Dec. 4, 2017, in Salt Lake City. Trump traveled to Salt Lake City to announce plans to shrink two sprawling national monuments in Utah in a move that will delight the state's GOP politicians and many rural residents who see the lands as prime examples of federal overreach, but will enrage tribes and environmentalist... Credit: Rick Bowmer

President Donald Trump on Monday took the rare step of scaling back two sprawling national monuments in Utah, declaring that “public lands will once again be for public use” in a move cheered by Republican leaders who lobbied him to undo protections they considered overly broad.

The decision marks the first time in a half century that a president has undone these types of land protections. Tribal and environmental groups oppose the decision and are expected to go to court in a bid to stop Trump and Interior Secretary Ryan Zinke.

Trump made the plan official during a speech at the State Capitol, where he signed proclamations to shrink the Bears Ears and Grand Staircase-Escalante national monuments. Both monuments encompass millions of acres of land.

State officials said the protections were overly broad and closed off the area to energy development and other access.

Environmental and tribal groups say the designations are needed to protect important archaeological and cultural resources, especially the more than 1.3 million-acre Bears Ears site featuring thousands of Native American artifacts, including ancient cliff dwellings and petroglyphs.

Trump argued that the people of Utah know best how to care for their land.

“Some people think that the natural resources of Utah should be controlled by a small handful of very distant bureaucrats located in Washington,” Trump said. “And guess what? They’re wrong.”

Roughly 3,000 demonstrators lined up near the State Capitol to protest Trump’s announcement. Some held signs that said, “Keep your tiny hands off our public lands,” and they chanted, “Lock him up!” A smaller group gathered in support, including some who said they favor potential drilling or mining there that could create jobs. Bears Ears has no oil or gas, Zinke told reporters, though there is coal in Grand Staircase-Escalante.

“Your timeless bond with the outdoors should not be replaced with the whims of regulators thousands and thousands of miles away,” Trump said. “I’ve come to Utah to take a very historic action to reverse federal overreach and restore the rights of this land to your citizens.”

Bears Ears, created last December by President Barack Obama, will be reduced by about 85 percent, to 315 square miles.

Grand Staircase-Escalante National Monument, designated in 1996 by President Bill Clinton, will be reduced from nearly 3,000 square miles to 1,569 square miles.

Both were among a group of 27 monuments that Trump ordered Zinke to review this year.

Zinke accompanied Trump aboard Air Force One, as did Utah’s Republican U.S. senators, Orrin Hatch and Mike Lee. Hatch and other Utah Republican leaders pushed Trump to launch the review, saying the monuments designated by the former Democratic presidents locked up too much federal land.

Trump framed the decision as returning power to the state, saying, “You know and love this land the best and you know the best how to take care of your land.” He said the decision would “give back your voice.”