located_in_the_administrative_territorial_entity courthouse towers
___MASK20___ ( or ) is a state in the western United States . It became the 45th state admitted to the U . S . on January 4 , 1896 . ___MASK20___ is the 13th - largest by area , 31st - most - populous , and 10th - least - densely populated of the 50 United States . ___MASK20___ has a population of more than 3 million ( Census estimate for July 1 , 2016 ), approximately 80 % of whom live along the Wasatch Front , centering on the state capital Salt Lake City . ___MASK20___ is bordered by Colorado to the east , Wyoming to the northeast , Idaho to the north , Arizona to the south , and Nevada to the west . It also touches a corner of New Mexico in the southeast . The ___MASK82___ River (" colored ", with an implication of reddish ) is one of the principal rivers of the Southwestern United States and northern Mexico ( the other being the Rio Grande ). The ___MASK82___ River drains an expansive , arid watershed that encompasses parts of seven U . S . and two Mexican states . Starting in the central Rocky Mountains in the U . S ., the river flows generally southwest across the ___MASK82___ Plateau and through the Grand Canyon before reaching Lake Mead on the Arizona  Nevada border , where it turns south toward the international border . After entering Mexico , the ___MASK82___ approaches the mostly dry ___MASK82___ River Delta at the tip of the Gulf of California between Baja California and Sonora . The Courthouse Towers is a collection ___MASK70___ tall stone columns located in Arches National Park . Moab is a city in ___MASK10___ , in eastern ___MASK20___ , in the western United States . The population was 5 , 046 at the 2010 census . It is the county seat and largest city in ___MASK10___ . Moab attracts a large number of tourists every year , mostly visitors to the nearby Arches and Canyonlands National Parks . The town is a popular base for mountain bikers who ride the extensive network of trails including Slickrock Trail , and off - roaders who come for the annual Moab Jeep Safari . Delicate Arch is a freestanding natural arch located in Arches ___MASK30___ near Moab , ___MASK20___ , USA . It is the most widely recognized landmark in Arches ___MASK30___ and is depicted on ___MASK20___ license plates and on a postage stamp commemorating ___MASK20___ ' s centennial anniversary of admission to the Union in 1996 . The Olympic torch relay for the 2002 Winter Olympics passed through the arch . Sandstone ( sometimes known as arenite ) is a clastic sedimentary ___MASK91___ composed mainly ___MASK70___ sand - sized minerals or ___MASK91___ grains . Arches ___MASK30___ is a US ___MASK30___ in eastern ___MASK20___ . The park is adjacent to the Colorado River , north of Moab , ___MASK20___ . It is home to over 2 , 000 natural sandstone arches , including the world - famous Delicate Arch , in addition to a variety of unique geological resources and formations . It contains the highest density of natural arches in the world .