TALMAGE AND WOOTTON THE NON-METALLIC MINERAL RESOURCES OFNEW MEXICO AND THEIR ECONOMIC FEATURES NMBM BULL. 121937 P 102SHALER M.K. GYPSUM IN NORTHWESTERN NEW MEXICO. IN CONT.TO ECO. GEO. 1906 PT. 1 USGS BULL. 315 1907 P 262DARTON N.H.(NM GYPSUM) GYPSUM DEPOSITS OF THE UNITED STATESUSGS BULL. 697 1920 P 180-181WEBER R.H. AND KOTTLOWSKI F.E. GYPSUM RESOURCES OF NEW MEXI-CO NMBM BULL. 68 1959 P 19