The extraction of potash from silicate rocks.

Bibliographic Details
Main Author: Ross, William Horace, 1875-1947
Format: Government Document Book
Language:English
Published: [Washington] : [Govt. print. off.], 1912.
Subjects:
Description
Item Description:Bureau of Soils-Circular Number71.
Physical Description:10 pages including tables. ; 23 cm.