A study of the surface areas of particulate microcrystalline silica and silica sand
By: [by] R. N. Leamnson, Josephus Thomas, Jr. [and] H. P. Ehrlinger III.
Contributors: Thomas, Josephus, 1927- joint author.; Ehrlinger, Henry Phillip, 1903- joint author.; Illinois. Dept. of Registration and Education.
Series: Illinois. State Geological Survey. Circular; 444; Circular (Illinois State Geological Survey) ;; 444.
Publisher: Illinois State Geological Survey
Published: 1969
Place of publication: Urbana
Language: eng
Number of pages: 12
Subjects: Silica -- Illinois.
Notes: Bibliography: p. 12.
Cover title.
At head of title: State of Illinois Department of Registration and Education.