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The action of ammonium chloride upon silicates / by Frank Wigglesworth Clarke and George Steiger.
By: Clarke, Frank Wigglesworth, - Steiger, George,
Publication info: Washington,Govt. Print. Off.,1902.
Contributed by: Boston College Libraries (archive.org)
Subjects: Analysis Rocks Silicates
The extraction of potash from silicate rocks.
By: Ross, William Horace,
Publication info: [Washington,Govt. print. off.]1912.
Contributed by: University of California Libraries (archive.org)
Subjects: Potash Silicates