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1
Report on progress of investigations of mineral resources of Alaska in 1904, by Alfred H. Brooks and others. [U.S. Geological Survey Bulletin No. 259. Series A, Economic Geology, 5...
Published 1905Online Access
Government Document Electronic eBook -
2
The magnesite deposits of California, by Frank L. Hess. [U.S. Geological Survey Bulletin 355.]
Published 1909Online Access
Government Document Electronic eBook