Determination of ash in coals unusually high in calcite and pyrite, by O.W. Rees and W.A. Selvig, in cooperation with United States Department of Interior, Bureau of Mines ... Printed by authority of the state of Illinois.

By: Contributor(s): Material type: TextTextSeries: Illinois. State geological survey. Report of investigations ; no. 81Publication details: Urbana, Ill., 1942.Description: 10p. incl.tables. 25cmSubject(s): DDC classification:
  • 662/.6
LOC classification:
  • TP325 .R39
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At head of title: State of Illinois, Dwight H. Green, governor. Dept. of registration and education, Frank G. Thompson, director. Division of the State geological survey, M.M. Leighton, chief, Urbana.

"Reprinted from Industrial and engineering chemistry, analytical edition, vol. 14, no. 3, March 15, 1942."

"Literature cited": p. 10.

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