Geological Survey bulletin.

no.1-9; no.5 1918; no.5-07 yr.1918-20; no.6-14(1919-1929); no.7 1920; no.3 (1924); no.10-15; no.11 yr.1928; no.12-15 yr.1929; no.16-20; no.16-19 yr.1930; no.10-14 (1928-31); no.10 yr.1931; no.15-19 (1929-32); no.20-21 yr.1932; no.20-24 (1932-33); no.21-26; no.22-28(1933-1935); no.22-23 yr.1933; no.24 yr.1933; no.25 yr.1933; no.5 (1934); no.26 yr.1934; no.27-31; no.27-29 yr.1934; no.25-28 (1933-35); no.7 (1935); no.29-32 (1936-37); no.30-32 yr.1937; no.32-34; no.33-34 yr.1937; no.30-34(1937-1938); no.33-35 (1937-40); no.35-36; no.36-39 (1940-49); no.37-39; no.40-42; no.40 yr.1953; no.41-43 yr.1953; no.43-44; no.45-47; no.45-46 yr.1956; no.40-44 (1953-57); no.44 yr.1957; no.44-46(1957-1959); no.45-48 (1956-60); no.47 yr.1960; no.48-51; no.49-54 (1961-62); no.52-55; no.52 yr.1962; no.53-54 yr.1962; no.55-56 yr.1962; no.56-58; no.57-58 yr.1962; no.55-58 (1962-64); no.59 yr.1968; no.60-62 (1968-69); no.60 yr.1969; no.61-62 yr.1969; no.66 yr.1969; no.64 yr.1970; no.67 yr.1970; no.63 yr.1972; no.69 yr.1972; no.68 yr.1973; no.70-72 yr.1973; no.73 yr.1974; no.74 yr.1975; no.65 yr.1976; no.75 yr.1976; no.76 yr.1976; no.77 yr.1976