Circular - Oklahoma Geological Survey.

no.1-8 1908-1917; no.1-17 1908-1928; no.2; no.17-21 1928-1930; no.23 1944; no.19-26 1929-1949; no.24-30 1944-1952; no.30-32; no.31 1954; no.33-35; no.33 1955; no.35 1955; no.36 1955; no.37 1955; no.28-39 1951-1956; no.32 1956; no.38 1956; no.39 1956; no.40-42; no.40-41 1956; no.43-46; no.43 1957; no.44 1957; no.45 1957; no.46 1958; no.40-48 1956-1959; no.47-48; no.47 1959; no.48 1959; no.49-50; no.52-55 1959-1961; no.56 1961; no.49-56 1961-1962; no.59 1962; no.62 1963; no.58-64 1962-1964; no.64-67 1964; no.65-70 1964-1965; no.72 1966; no.71-74 1967-1968; no.77 1974; no.75-82 1973-1980; no.79-85; no.87-89 1986; no.90; no.90-92 1989-1991; no.92-93 1991-1992; no.93-94 1992; no.94-96 1992-1994; no.95-97 1993-1995; no.97-98 1995-1996; no.98-99 1996-1997; no.100 1997; no.101-102 1999-2000; no.102; no.103-105 2000-2001; no.106-108 2001-2002; no.110 2004; no.109-110 2003-2005; no.111 2008; no.112B(2008); no.112A(2008); no.102(1999); no.110(2005); no.75(1973); no.76(1976); no.78(1977); no.79(1978); no.80(1980); no.81(1981); no.82(1980); no.83(1980); no.84(1981); no.85(1983); no.86(1983); no.87(1986); no.88(1986); no.96(1994); no.97(1995); no.99(1997)