SRC.REF: UTAH DEPT OF HIGHWAYS 1966 MATERIAL SURVEY, MILLARD COUTAH STATE DEPT OF HIGHWAYS, MATERIALS & RESEARCH DIVISION, MATERIALS INVENTORY SECTION: MILLARD COUNT1966 DIREXPL UTAH DEPT OF HIGHWAYS (1966STEGAN, R J, 1979, ON SITE INVESTIGATION: UT GEOL AND MIN SURV