Author: MITCHL (David Ray)

Description

rr4 e” MITCHL (David Ray) and. McCABE (L. C.) Workability characteristics of Illinois coal screenings. Urbana, 1937. See ILLINOiS, Stat of. ]artment of Re.istration and Education. Division ci’ the State Geolica1 Survey. Report of Thvestigations.j No. 48.

Card ID: 482