Complex sentence: According to the United States Census Bureau, Marfa has a total area of, all of it land, the city is located in the Chihuahuan Desert, a notably underdeveloped region of about 140,000 square miles (~ 362,600 km²).
Split into simpler sentences: According to the United States Census Bureau, Marfa has a total area of, all land. The city is located in the Chihuahuan Desert, an underdeveloped region of about 140,000 square miles (~ 362,600 km²).