Industrial clays other than potential sources of alumina of the Columbia Basin
Sohn, I. G. (Israel Gregory)
1911-2000
creator
text
xx
Washington
1952
monographic
eng
18 p. 2 fold. col. maps (in pocket) tables. 27 cm.
"References": p. 2-3.
Clay
Columbia River Valley
QE75 .C5 no. 158
553.6
Geological Survey circular 158
gs 53000081
DLC
750217
20260227111359.0
gs 53000081