Reference | {Deposit:: USGS BULL 284, P. 47.}{Deposit:: USGS BULL 347, P. 114-115.}{Deposit:: USGS PROFESSIONAL PAPER 87, P. 88-89, 92, 114-115.}{Deposit:: USGS BULL 1090, P. 37, 54-80, 93-96.}{Deposit:: USGS MF 433.}{Deposit:: USGS OF 78-869, P. 197-1987} |