Reference | {Deposit:: Asher, R. R., 1965, Volcanic Construction Materials In Idaho: Idaho Bureau Of Mines And Geology Pamphlet 135, P. 31 - 32.}{Deposit:: Staley, W.W., 1950 Pumice And Perlite In Idaho: Idaho Bureau Of Mines And Geology Mineral Resources Rept. 6, P. 6.} |