Investigations of some clay deposits in Washington and Idaho - Hosterman, John W. (John Wallace), 1923-1991; Scheid, Vernon E.; Allen, Victor T.; Sohn, I. G. (Israel Gregory), 1911-2000 (Washington : United States Government Printing Office, 1960)
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Keywords: ložiska jílu; clay deposits; Idaho; Washington; Idaho; Washington; bulletiny; information bulletins