Isbn: 9781288865536 - estimating los angeles degradation value using the schmidt rebound hammer along the front range, colorado: usgs open-file report 98-331 (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 faci.