High-grade clays of the eastern United States, with notes on some western clays,
Ries, Heinrich, 1871-1951.
High-grade clays of the eastern United States, with notes on some western clays, by H. Ries, W. S. Bayley, and others. - Washington, Govt. print. off., 1922. - xiv, 314 p. illus., xxx pl. (part fold.; incl. maps) tables. 23 cm. - U.S. Geological survey. Bulletin 708 .
Bibliographical foot-notes.
gs 22000405
Clay--United States
QE75 / .B9 no. 708
High-grade clays of the eastern United States, with notes on some western clays, by H. Ries, W. S. Bayley, and others. - Washington, Govt. print. off., 1922. - xiv, 314 p. illus., xxx pl. (part fold.; incl. maps) tables. 23 cm. - U.S. Geological survey. Bulletin 708 .
Bibliographical foot-notes.
gs 22000405
Clay--United States
QE75 / .B9 no. 708