Bulletin 68 Gypsum Resources of New Mexico
GYPSUM RESOURCES OF NEW MEXICO 3 PREVIOUS INVESTIGATIONS H. N. Herrick (1904, p. 8999) reported on New Mexico gypsum deposits in the first national survey of gypsum published by the U. S. Geological Survey. He noted the gypsum plaster plant of the Rock Island Cement and Plaster Company at Ancho, in Lincoln County;