Mineral Industries Experiment Station circular.

no.29 1943; no.20 1945; no.25 1946; no.26 1946; no.27 1946; no.31 1948; no.33 1949; no.35 1950; no.36 1950; no.37 1951; no.42 1951-1952; no.39 1952; no.44; no.45 1955; no.50 1956-1957; no.49 1957; no.52 1957-1958; no.51 1958; no.53 1958; no.54; no.55 1959; no.56; no.58 1959-1960; no.60 1960-1961; no.61; no.69 1961-1962; no.62 1962; no.64 1963; no.67 1964; no.68 1964; no.73 1965/66; no.72 1966; no.74 1966/67; no.78; no.80; no.83 1971