Reference | {Deposit:: SPIEKER, E. M., 1949 , THE TRANSITION BETWEEN THE COLORADO PLATEAUS AND THE GREAT BASIN IN CENTRAL UTAH IN GUIDEBOOK TO THE GEOLOGY OF UTAH NO 4 ; UTAH GEOL. SOC.}{Deposit:: SPIEKER, E. M., 1931 , THE WASATCH PLATEAU COAL FIELD: USGS BULL 819 .}{Deposit:: 1931 GEOLMAP E. M. SPIEKER BULL. 819}{Deposit:: 1949 GEOLMAP UTAH GEOL SOC. 6B4 BY E. M. SPIEKER} |