SRC.REF: UTAH DEPT OF HIGHWAYS 1966 MATERIALS SURVEY-MILLARD COUTAH STATE DEPT OF HIGHWAYS, MATERIALS & RESEARCH DIVISION, MATERIALS INVENTORY SECTION: MILLARD COUNT1966 DIREXPL UTAH DEPT OF HIGHWAY'S MATERIAL INSTEGEN, R J, 1979, ON SITE INVESTIGATION: UT GEOL AND MIN SUR