(Francisco Kjolseth | The Salt Lake Tribune) This May 8, 2017, file photo. shows Arch Canyon within Bears Ears National Monument in Utah. President Donald Trump's decision to drastically reduce and break up a national monument in Utah wasn't the only blow Native American tribes say they were dealt last week. The proclamation Trump signed changes the makeup of a tribal advisory commission for Bears Ears National Monument. It adds a San Juan County, Utah, commissioner who supported peeling back protections for the land.