Preliminary report of an investigation of the molding sand resources of Illinois,
Littlefield, Max Sylvan, 1900-
Preliminary report of an investigation of the molding sand resources of Illinois, by M. S. Littlefield. In cooperation with the Engineering experiment station of the University of Illinois. - Urbana, 1925. - 37 p. tables. 26 cm. - Illinois. State geological survey. Report of investigations, no. 3 .
At head of title: State of Illinois. Dept. of registration and education. Division of State geological survey.
gs 25000088
Sand, Molding.
TN939 / .L53
Preliminary report of an investigation of the molding sand resources of Illinois, by M. S. Littlefield. In cooperation with the Engineering experiment station of the University of Illinois. - Urbana, 1925. - 37 p. tables. 26 cm. - Illinois. State geological survey. Report of investigations, no. 3 .
At head of title: State of Illinois. Dept. of registration and education. Division of State geological survey.
gs 25000088
Sand, Molding.
TN939 / .L53