Lightweight aggregate industry in Oregon
By: by Ralph S. Mason
Contributors: Oregon. Department of Geology and Mineral Industries
Series: G.M.I. short paper -- no. 21; GMI short paper -- no. 21.
Publisher: State of Oregon, Department of Geology and Mineral Industries
Published: 1951
Place of publication: Portland, Or
Language: eng
Number of pages: 23
Subjects: Aggregates (Building materials); Aggregate industry; Volcanic ash, tuff
Notes: Cover title.

Includes bibliographical references (p. 22-23).