Vulcan Mine Dolomite

DEISS, C. F., 1943, CAMBRIAN DOLOMITE NEAR VULCAN IRON MINE, SOUTHEAST OF KELSO, CALIFORNIA, AS POSSIBLE SOURCE OF MAGNESIUM: U.S. BUREAU OF MINES UNPUBLISHED REPORT, WESTERN FIELD OPERATIONS CENTER, SPOKANE, WASHINGTON, 3 P.HAZZARD, J. C., 1954, ROCKS AND STRUCTURE OF THE NORTHERN PROVIDENCE MOUNTAINS, SAN BERNARDINO COUNTY, CALIFORNIA, IN JAHNS, R. H., ED., GEOLOGY OF SOUTHERN CALIFORNIA: CALIFORNIA DIVISION OF MINE BULLETIN 170, CHAPTER 4, P. 27-35, MAP SHEETS.MOYLE, P. R., AND OTHERS, 1986, MINERAL RESOURCES OF THE PROVIDENCE MOUNTAINS STUDY AREA, SAN BERNARDINO COUNTY, CALIFORNIA: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 47-86.