01445oam 2200445 450 991070802580332120170330085044.0(CKB)5470000002470255(OCoLC)891401331(OCoLC)995470000002470255(EXLCZ)99547000000247025520140926d1916 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierExperiments on the extraction of potash from wyomingite /by Roger C. Wells[Washington, D.C.] :[Department of the Interior, United States Geological Survey],[1917]1 online resource (4 unnumbered pages) illustrationsProfessional paper ;98-DShorter contributions to general geology ;1916Title from title screen (viewed September 17, 2014).Report number from USGS web site.Includes bibliographical references.PotashPotashfastPotash.Potash.Wells Roger Clark1877-1944,1389104Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910708025803321Experiments on the extraction of potash from wyomingite3531869UNINA