Reference | HOUSTON, R. S., AND MURPHY, J. F., 1970, FOSSIL BEACH PLACERS IN SANDSTONES OF LATE CRETACEOUS AGE IN WYOMING AND OTHER ROCKY MOUNTAIN STATES: WYOMING GEOL. ASSOC. ANN. FIELD CONF., 22D, GUIDEBOOK, SYMPOSIUM ON WYOMING SANDSTONES, P. 241-249 |