00903cam a22002531 4500 es 23000004 DLC 20260227111236.0 800318s1923 mnuab b 000 0 eng es 23000004 (OCoLC)6098421 DLC TxCM DLC TP883 .K5 Kirk, Raymond E. (Raymond Eller), 1890-1957.. The manufacture of Portland cement from marl, by Raymond E. Kirk. Minneapolis [1923] 52 p. incl. illus., map, tables. The University of Minnesota. Engineering Experiment Station. Bulletin no. 2 Bulletin of the University of Minnesota. Vol. XXVI, no. 5. March 21, 1923 Bibliography: p. [48]-52. Portland cement. Marl. University of Minnesota. Engineering Experiment Station. Bulletin ; no. 2. 22325 22325