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Geologic guidebook of the San Francisco Bay counties : history, landscape, geology, fossils, minerals, industry, and routes to travel

Geologic guidebook of the San Francisco Bay counties : history, landscape, geology, fossils, minerals, industry, and routes to travel
Paper図書
prepared under the direction of Olaf P. Jenkins ; contributing authors, Charles V. Averill ... [et al.]Department of Natural Resources, Division of Mines1951
Other Libraries in Japan
  • Author HeadingCalifornia. Division of Mines and Geology Jenkins, Olaf Pitt Averill, Charles Volney

Placer mining for gold in California ... (California. Division of Mines. Bulletin 135)

Placer mining for gold in California ... (California. Division of Mines. Bulletin 135)
Paper図書
California State Printing Office[1946]<622.3421-C153p>
National Diet Library
  • Author HeadingAverill, Charles Volney, 1892-

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