Bulletin / Illinois State Geological Survey.

3 (1906); 1 (1906); 2 (1906); 4 (1906); no.1 1906; no.1-3 1906; no.2 1906; no.3 1906; no.4 1906; 6 (1907); 8 (1907); 5 (1907); no.4 1907; no.5 1907; no.6 1907; no.8 1907; 7 (1908); 14 (1908); 9 (1908); no.7 1908; no.8 1908; no.9 1908; 16 (1909); 11 (1909); 12 (1909); 13 (1909); 10 (1909); no.10 1909; no.11 1909; no.12 1909; no.13 (1909); no.14 1909; v.1; v.1 Maps(1901); v.4; v.8; v.12; v.12 (1909); 15 (1910); 20 (1910); no.13 1910; no.14 1910; no.15 1910; no.16 1910; 23 (1911-1912); 17 (1912); 19 (1912); 25 (1912); 18 (1912); no.17 1912; no.18 1912; no.19 (1912); no.25 (1912); 22 (1913); no.22 (1913); no.22 1913 text; no.25 (1913); 30 (1913-1914); 29 (1914); 28 (1914); 24 (1914); 21 (1914); no.21 (1914); no.24 (1914); no.28 (1914); no.28-29 (1914); no.29 1914; no.29. 31 (1914 - 1915); 31 (1915); 33 (1915); no.20 (1915); no.31 (1915); v.13; v.14; v.16; v.18; v.20; v.22 MAPS; v.25; v.26; v.27; v.28; v.29-31; v.29, 31; v.29-31(1914-1915); 36 (1916); 35 (1916); 27 (1916); 26 (1916); no.26 (1916); no.27 (1916); no.32 (1916); no.33 (1916); no.36 (1916); no.18 yr.1917; no.23 (1917); no.30 (1917); no.35 (1917); 38 (1917-1918); 40 (1917-1918); 39 (1918); no.39 (1918); 34 (1919); 37 (1919); no.34 (1919); no.37 (1919); no.40 (1919); 41 (1920); no.36 (1920); no.41 (1920); 42 (1921); no.42 (1921); v.30; v.32; v.33; v.34; v.35; v.36; v.37; v.38; v.39-40; v.41; v.42; v.42 (1921); v.43; v.44-45; v.44 A-C, 45; v.53; v.62 and Sup.; v.65; v.68; v.80; v.81-82; v.93-94(1970); v.96-100(1991-1995); v.101-103(1995-96); v.100(1995); v.1(1901); v.23(1913); v.38(1918-1921); no.38 (1922); no.43-44 (1922-1923); no.43 (1923); no.44C 1923; no.45 (1924); no.45-47 1924-25; no.46-47 (1925); no.46 1925; no.48-51 1925; no.50 1925; no.50-51 (1925); no.52 1925; no.48-49 (1925-26); no.56 1926; no.53-55 (1927-28); no.53 1928; v.42REV.(1929); no.60 1931; no.63-64 (1936-37); no.57-59 (1929-38); no.68 1940; no.68 1944; no.69-072 yr.1945-1948; no.71-72 (1947-48); no.73-075 yr.1950; no.76-078 yr.1952; no.76-78 1952; v.73-76(1950-1952); no.63-65 1936-55; no.