Some studies presented at the State Academy of Science in 1940
Series: Circular / Illinois State Geological Survey -- no. 68; Circular (Illinois State Geological Survey) -- 68.
Publisher: Illinois State Geological Survey
Published: 1941
Place of publication: Urbana, Ill
Language: eng
Number of pages: 18
Subjects: Coal; Coal mines and mining
Notes: Cover title.

Reprinted from the Transactions, Illinois State Academy of Science, vol. 33, no. 2, December 1940 (1941).
Table of contents: title: Fusain content of fine sizes of Illinois coal / Bryan C. Parks, L.C. McCabe; title: Pre-glacial river Ticona / H.B. Willman; title: Aerial photography / Harry McDermith; title: The use of pipette analysis in clay research / Richards A. Rowland; title: The introduction of fluorine into aromatic nuclei by means of ammonium fluoborate / G.C. Finger, F.H. Reed; title: 2-chloro-3, 5-Bis (Acetylamino) toluene / G.R. Yohe.