Volcanic ash and tripoli
By: compiled by J. O. Beach.
Series: Oklahoma.  Geological Survey.  Mineral report,; no. 1
Published: 1938
Place of publication: Norman
Language: eng
Number of pages: 28
Subjects: Volcanic ash, tuff, etc.; Mines and mineral resources -- Oklahoma.
Notes: Bibliography: p. [27]-28.
At head of title:  Oklahoma Geological Survey.  Robert H. Dtt, director.
"Data obtained from State mineral survey, WPA project 65-65-538, 1936-37; FERA material survey 1934; Oklahoma Geological survey, Bulletin, 13, 1914; and Bulletin, 28, 1917."
Reproduced from typewritten copy.
Errata slip inserted.