An Atlas of volcanic ash /
Heiken, Grant
An Atlas of volcanic ash / by Grant Heiken - City of Washington : Smithsonian Institution Press, 1974 - iv, 101 p. : ill. ; 26 cm. - Smithsonian contributions to the earth sciences ; no. 12 .
Bibliography : p. 13-14
Volcanic ash, tuff, etc.
An Atlas of volcanic ash / by Grant Heiken - City of Washington : Smithsonian Institution Press, 1974 - iv, 101 p. : ill. ; 26 cm. - Smithsonian contributions to the earth sciences ; no. 12 .
Bibliography : p. 13-14
Volcanic ash, tuff, etc.