00738cam a22002291 4500 gs 28000108 DLC 20260227111332.0 781128s1928 msuab s000 0 eng gs 28000108 (OCoLC)4403115 DLC MsSM DLC TN948.B4 G7 Grim, Ralph E. (Ralph Early), 1902- Preliminary report on bentonite in Mississippi, by Ralph E. Grim [Jackson, Miss.] 1928. 14 numb. 1. incl. tables. 4 pl. (map, plans, diagr.) 27 1/2 cm. Mississippi. Geological Survey. Bulletin no. 22 Mimeographed. Bentonite. Mines and mineral resources Mississippi. 26626 26626