Reference | {Deposit:: Skeels, F. H., 1920 , A Preliminary Report On The Clays Of Idaho: Idaho Bureau Of Mines And Geology Bulletin 2 , P. 62 , 65}{Deposit:: Sohn, I. G., 1952 , Industrial Clays Other Than Potential Sources Of Alumina: USGS Circ. 158 , P. 4} |