Isbn: 9781288846542 - preliminary geologic map of the turayf quadrangle, sheet 31c, kingdom of saudi arabia: usgs open-file report 89-336 (1 Ergebnisse)

Zustand: New. KlappentextThe United States Geological Survey (USGS) is a scientific organization created in 1879, and is part of the U.S. government. Their scientists explore our environment and ecosystems, to determine the natural dangers we are fac.