Archival objects in this container: "Workshop on Geologic and Hydrologic Hazards in the Las Vegas Valley", 1991 December 4 Equipment maintenance logbook, 1975-1978 Flintkote company, variances, 1981-1982 Tram and bucket analyses, 1948-1964 Truck haul time studies, 1955-1961 Improvements or additions, 1961 Anhydrite deposits, 1962-1965 Anhydrite, old files, 1962 Budget expectations, 1962 Capital budget, 1962-1964 Preliminary anhydrite study, 1966 Shire gypsum deposit south of Sandy Valley, 1966 Vacuum drill test holes, 1962-1966 Ore weight study, 1966 Colorado ore - gypsum D.D., 1973 Dust control negotiations, 1976 Repair budget, 1968 Red ore upgrade, 1971 Spectroanalysis, Blue Diamond Gypsum, 1973 Correspondence, C. T. Upshaw, 1974 Correspondence, general, 1974 Red Rocks Canyon recreation lands, 1974 Monthly manhours, 1975 Quarry accident investigations, 1973-1977 Correspondence, H. S. Jobbins, 1974-1976 Load More
