Properties and Uses of Pennsylvania Shales and Clays Bernard J. O'Neill Published: 1965 Total Pages: 474 Get eBook
Clays and Clay Industries of Pennsylvania Thomas Cramer Hopkins Published: 1898 Total Pages: 370 Get eBook
Clays and Clay Industries of Pennsylvania Thomas Cramer Hopkins Published: 1897 Total Pages: 238 Get eBook
The Clays of the United States East of the Mississippi River Heinrich Ries Published: 1903 Total Pages: 342 Get eBook
A Handbook to the Collection of Kaolin, China-clay and China-stone Museum of Practical Geology (Great Britain) Published: 1914 Total Pages: 310 Get eBook
