GEOLOGICAL SURVEY PUBLICATIONS ON CLAYS, FULLER'S EARTH, ETC. 
In addition to the papers listed below, references to clays will be 
found in the publications listed under the head of " Cements," on 
page 381. A bulletin will soon be issued by the United States Geo- 
logical Survey, dealing with the clay deposits and industries of the 
entire eastern United States. 
Branner, J. C. Bibliography of clays and the ceramic arts. Bulletin No. 143, 
114 pp. 1896. 
Golding, W. Flint and feldspar. In Seventeenth Ann. Rept., Pt. Ill, pp. 838-1 
841. 1896. 
Hill, R. T. Clay materials of the United States. In Mineral Resources U. S. 
for 1891. pp. 474-528. 
. Clay materials of the United States. In Mineral Resources U. S. for 
1892, pp. 712-738. 1893. 
Ries, H. Technology of the clay industry. In Sixteenth Ann. Rept., Pt. IV, 
pp. 523-575. 1895. 
. The pottery industry of the United States. In Seventeenth Ann. Rep., 
Pt. III., pp. 842-880. 1896. 
Shaler, N. S.. Woodworth, J. B.. and Marbut, C. F. The glacial brick clays 
of Rhode Island and southeastern Massachusetts. In Seventeenth Ann. Rept., Pt. 
I, pp. 957-1004. 1896. 
Wilber, F. A. Clays of the United States. In Mineral Resources U. S. for 
1882, pp. 465^-475. 1883. 
. Clays of the United States. In Mineral Resources U. S. for 1883-1884, 
pp. 676-711. 1885. 
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