Author: LEES (Cnn Wainwright)

Description

LEES (Cnn Wainwright). Unit1 coal as a bajs of coal standar(ization as applied to Illinois coals. By G. H. Cady and 0. W. Rees. Urbtna, 1934. See ILiINOIS, St.ate o1. Deartment ot Re4stra— t.ion and Education. Division ot the State Geological Surv. [Report o1 Investig.tions. 1 32.

Card ID: 373