Reference | {Deposit:: USGS PROFESSIONAL PAPER 1, P. 105-107.}{Deposit:: USGS BULL 284, P. 51-52.}{Deposit:: USGS BULL 347, P. 96-98.}{Deposit:: USGS PROFESSIONAL PAPER 87, P. 507}{Deposit:: USGS MF 433.7}{Deposit:: USGS OF 78-869, P. 43-447}{Deposit:: ADGGS GEOLOGIC REPORT 48, P. 37-38.} |