"During recent years, Kansas has produced over 90% of the volcanic ash produced in the United States. Other important areas of volcanic ash are to be found in California, Montana and Idaho. Extensive development of the latter named deposits awaits more advantageous markets than are now present"--Origin of Volcanic Ash, page 2-3.
Professional Degree in Mining Engineering
Missouri School of Mines and Metallurgy
ii, 22 pages
© 1929 Abner Decker Hahn, All rights reserved.
Thesis - Open Access
Concrete -- Additives
Volcanic ash, tuff, etc. -- United States
Print OCLC #
Electronic OCLC #
Link to Catalog Recordhttp://merlin.lib.umsystem.edu/record=b1069025~S5
Hahn, Abner Decker, "Preparation and use of volcanic ash in concrete" (1929). Professional Degree Theses. 238.