Browsing by Subject "phosphorite"
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Item Letter to Al H. Hammel from H.B. Stenzel on 1965-03-19(1965-03-19) Stenzel, Henryk B.Item Letter to H.B. Stenzel from K.J. Hsu on 1959-06-04(1959-06-04) Hsu, K.J.Item Letter to H.B. Stenzel from R.E. McAdams on 1961-12-01(1961-12-01) McAdams, R.E.Item Letter to R.L. Ethington from H.B. Stenzel on 1965-05-14(1965-05-14) Stenzel, Henryk B.Item Letter to William M. Ingram from H.B. Stenzel on 1961-03-15(1961-03-15) Stenzel, Henryk B.