Subject ASC00013mc
The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 26 (1894)
Smithsonian Libraries
BHL Page 39088714
Keywords
comptonite bostonite maena egge potash Minerals Bostonite Analysis Maena Shelburne Point Champlain Valley Potash camptonite Bostonite analyses chemical camptonote