From Marfa to Mauritania: The Rise of the McDonald Observatory
Four hundred and fifty miles west of The University of Texas at Austin, thirty-seven miles (as the car drives) north of Marfa, and almost 6,800 feet above sea level...
Four hundred and fifty miles west of The University of Texas at Austin, thirty-seven miles (as the car drives) north of Marfa, and almost 6,800 feet above sea level...