TY - BOOK AU - Rees,Orin Wainwright AU - Reed,Frank Hynes AU - Land,George William TI - A study of the equilibration method of determining moisture in coal for classification by rank, T2 - Illinois State Geological Survey. Report of investigations AV - TP325 .R4 PY - 1939/// CY - Urbana, Ill. PB - Printed by authority of the state of Illinois KW - Coal KW - Analysis KW - Testing N1 - At head of title: State of Illinois ... Department of Registration and Education ... Division of the State Geological Survey ... Urbana; Bibliography: p. 34 ER -