Isbn: 9781288876044 - preliminary reconnaissance geologic map of the juneau, taku river, atlin, and part of the skagway 1: 250,000 quadrangles, southeastern alaska: usgs open-file report 85-395 (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.