93348. Calvin, S. et al.   Iowa Geological Survey Volume I. First Annual Report, for 1892 with Accompanying papers.   Iowa Geological Survey, 1893, Annual Report, 1892, Volume 1 : 472 pages with 26 figures and 10 plates.   Hardbound, good or better condition.    $26.00

93349. Keyes, C. R.   Iowa Geological Survey Volume II. Coal Deposits of Iowa.   Iowa Geological Survey, 1894, Annual Report, 1892, Volume 2 : 536 pages with 222 figures and 18 plates.   Hardbound, good or better condition.    $34.00

93350. Calvin, S. et al.   Iowa Geological Survey Volume II. Second Annual Report, 1893 with Accompanying Papers.   Iowa Geological Survey, 1895, Annual Report, 1892, Volume 2 : 501 pages with 34 figures and 37 plates.   Hardbound, good or better condition.    $26.00

83016. Bain, H. F.   Iowa Geological Survey, Geology of Guthrie County.   Iowa Geological Survey, 1897, Annual Report, 1896, Volume 7 : pages 417-487 with 1 fold-out map plate.   Softbound, wraps missing, previous owners name, some moisture staining that does not impact text or maps, good condition.    $15.00

93352. Calvin, S. and Bain, H. F.   Iowa Geological Survey Volume VIII. Annual Report, 1897, Accompanying Papers.   Iowa Geological Survey, 1898, Annual Report, 1892, Volume 8 : 427 pages with 13 figures and 32 plates with 6 maps and 1 section.   Hardbound, good or better condition.    $38.00

82952. Calvin, S. et al.   IGS, Annual Reports, 1898 with Accompanying Papers on Mineral Production, Geology of Carroll, Humboldt, Story, Muscatine, and Scott Counties, and Artesian Wells of the Belle Plaine Area of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1899, Annual Report, Volume 9 : 571 pages with 56 figures and 13 plates.   Hardbound, signs of use and age, text in good or better condition.    $56.00

83015. Williams, I. A.   Iowa Geological Survey, Geology of Worth County.   Iowa Geological Survey, 1900, Annual Report, 1899, Volume 10 : pages 319-377 with 5 figures and 2 fold-out map plates .   Softbound, previous owners name, some moisture staining that does not impact text or maps, good condition.    $19.00

83017. MacBride, T. H.   Iowa Geological Survey, Geology of Clay and O'Brien Counties.   Iowa Geological Survey, 1901, Annual Report, 1900, Volume 11 : pages 461-508 with illustrations including 2 fold-out map plates .   Softbound, previous owners name, moisture staining that does not impact maps, good condition.    $15.00

83018. Calvin, S.   Iowa Geological Survey, Geology of Page County.   Iowa Geological Survey, 1901, Annual Report, 1900, Volume 11 : pages 397-460 with illustrations including 1 fold-out map plate.   Softbound, previous owners name, some cover staining, text in very good condition.    $15.00

82955. Calvin, S. et al.   IGS, Annual Reports, 1902 with Accompanying Papers on Mineral Production, River Water, Iowan Drift, Pleistocene Deposits, and Pleistocene Geology of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1903, Annual Report, Volume 13 : 446 pages with 73 figures, 11 maps, and 10 plates.   Hardbound, minor signs of use and age, binding a little shaky, text in very good condition.    $56.00

45377. Pammel, L. H. et al.   The Grasses, Part II : The Descriptive and Geographical Study of the Grasses of Iowa.   Iowa Geological Survey, Des Moines, Iowa, 1904, Supplementary Report of the Iowa Geological Survey for 1903, pages 1-436 with 270 figures.   Printed wraps chipped, previous owner marks on front wrap, other minor signs of use and age, text in very good condition.    $26.00

83020. Norton, W. H.   Iowa Geological Survey, Geology of Bremer County.   Iowa Geological Survey, 1906, Annual Report, 1905, Volume 16 : pages 319-405 with illustrations including 2 fold-out map plates.   Softbound, previous owners name, minor signs of age, very good condition.    $22.00

83021. Arey, M. F.   Iowa Geological Survey, Geology of Black Hawk County.   Iowa Geological Survey, 1906, Annual Report, 1905, Volume 16 : pages 319-405 with illustrations including 2 fold-out map plates.   Softbound, previous owners name, minor signs of age, very good condition.    $22.00

83022. MacBride, T. H.   Iowa Geological Survey, Geology of Sac and Ida County.   Iowa Geological Survey, 1906, Annual Report, 1905, Volume 16 : pages 509-562 with illustrations including 2 fold-out map plates.   Softbound, previous owners name, minor signs of use and age, text in very good condition.    $22.00

83024. Williams, I. A.   Iowa Geological Survey, Geology of Franklin County.   Iowa Geological Survey, 1906, Annual Report, 1905, Volume 16 : pages 453-507 with illustrations including 2 fold-out map plates.   Softbound, previous owners name, minor signs of age, very good condition.    $22.00

93355. Calvin, S. and Lees, J. H.   Iowa Geological Survey Volume XVIII. Annual Report, 1907, Accompanying Papers.   Iowa Geological Survey, 1908, Annual Report, 1892, Volume 18 : 386 pages with 41 figures and 16 plates.   Hardbound, good or better condition.    $26.00

95234. Eastman, C. R.   Devonian Fishes of Iowa.   Iowa Geological Survey, Des Moines, 1908, IGS Annual Report, 1907, Volume 18 : pages 29-386 with 16 plates and 41 figures.   Softbound, signs of use and age, text and plates in good plus condition.    $38.00

93356. Calvin, S. and Lees, J. H.   Iowa Geological Survey Volume XX. Annual Report, 1909, Accompanying Papers.   Iowa Geological Survey, 1910, Annual Report, 1892, Volume 20 : 542 pages with 42 figures and 42 plates with 10 maps.   Hardbound, back hinge weak, text in good or better condition.    $30.00

94568. Van Tuyl, F. M.   The Origin of Dolomite.   Iowa Geological Survey, 1916, Annual Report, 1914, Volume 25 : pages 251-422 with illustrations.   Hardbound, wrap bound in, previous owners name, minor signs of use, text in very good condition.    $22.00

83025. Howell, J. V.   The Iron Ore Deposits Near Waukon, Iowa.   Iowa Geological Survey, 1916, Annual Report, 1914, Volume 25 : pages 33-102 with illustrations.   Softbound, previous owners name, minor cover wear and soiling, text in very good condition.    $19.00

83029. Lees, J. H.   Physical Features and Geologic History of Des Moines Valley.   Iowa Geological Survey, 1916, Annual Report, 1914, Volume 25 : pages 423-615 with illustrations.   Softbound, previous owners name, very good condition.    $38.00

83028. Van Tuyl, F. M.   The Origin of Dolomite.   Iowa Geological Survey, 1916, Annual Report, 1914, Volume 25 : pages 251-422 with illustrations.   Softbound, previous owners name, some cover soiling, text in very good condition.    $19.00

82948. Kays, G. F. et al.   IGS, Annual Reports, 1916 with Accompanying Papers on Mineral Production, Geology of Ringgold, Taylor, Clarke, Cass, and Adair Counties, Kansans Drift, and Wapsipinioon Breccias in Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1917, Annual Report, Volume 27 : 568 pages with 92 figures and 12 plates.   Hardbound, some minor cover wear and staining, text in very good condition.    $37.00

82954. Kays, G. F. et al.   IGS, Annual Reports, 1915 with Accompanying Papers on Mineral Production, River Water, Iowan Drift, Pleistocene Deposits, and Pleistocene Geology of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1917, Annual Report, Volume 26 : 556 pages with 63 figures and 25 plates.   Hardbound, moisture wrinkles and stains throughout, still a good usable study copy or a rarely seen work.    $19.00

83030. Thomas, A. O.   Echinoderms of the Iowa Devonian.   Iowa Geological Survey, 1921, Annual Report, 1919 and 1920, Volume 29 : pages 385-552 with 20 plates and 21 figures.   Softbound, previous owners name, minors signs of use, text and plates in very good condition.    $56.00

14127. Editor.   Annual Reports for the Year 1919-1920 with accompanying papers.   Iowa Geological Survey, 1921, Annual Report, 29.   Cloth bound, gilt lettering on spine, embossed, minor signs of use and age, very good condition.    $38.00

82944. Kays, G. F. et al.   IGS, Annual Reports, 1919 and 1920 with Accompanying Papers on Mineral Production, Petroleum and Natural Gas, Extinct Lake Calvin, Missouri Series, Echinoderms Maquoketa Beds, and Devonian Echinoderms of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1921, Annual Report, Volume 29 : 568 pages with 54 plates and 80 figures.   Hardbound, xlib, text in good plus or better condition.    $37.00

82625. Editor.   Annual Reports for the Year 1919-1920 with accompanying papers. Articles on Mineral Production, Natural Gas, Extinct Lake Calvin, Missouri Series Pennsylvanian System, New Echinoderms from Maquoketa Beds, and Devonian Echinoderms of Iowa.   Iowa Geological Survey, 1921, Annual Report, Volume 29 : 568 pages with 54 plates and 80 figures.   Hardbound, some cover wear, binding shaken, normal signs of age, some small wastage to last few pages that does not impact plates, good condition.    $37.00

82624. Editor.   Annual Reports for the Year 1921-22, Mississippian. The Stratigraphy of the Mississippian Formations of Iowa by Francis M. van Tuyl.   Iowa Geological Survey, 1923, Annual Report, Volume 30 : 374 pages with illustrations.   Hardbound, cover worn, front hinge weak, some signs of age, text in very good condition.    $34.00

14128. Editor.   Annual Reports for the Year 1921-22, Mississippian.   Iowa Geological Survey, 1923, Annual Report, 30.   Cloth bound, gilt lettering on spine, embossed, minor signs of use and age, very good condition.    $37.00

82949. Kays, G. F. et al.   IGS, Annual Reports, 1923 and 1924 with Accompanying Papers on Mineral Production, Geology of More Refractory Clays and Shales, Fertilizer Materials, Distribution of Ash and Sulfur in Iowa Coals, and Trilobites of Iowa Paleozoic Forms.   Iowa Geological Survey, Iowa City, Iowa, 1925, Annual Report, Volume 31 : 400 pages with 28 figures and 27 plates.   Hardbound, minor signs of use and age, text in very good condition.    $56.00

11096. Kay, G. F. and Lees, J. H.   Sketch of the Geology of Iowa.   Iowa Geological Survey, 1926, , 1-8, 2 figures and 2 plates.   Off-print, signs of use and age, text in good condition.   Unique work.   $6.00

93357. Kay, G. F. and Lees, J. H.   Iowa Geological Survey Volume XXXII. Annual Reports, 1925 and 1926 with Accompanying Papers.   Iowa Geological Survey, 1927, Annual Report, 1892, Volume 32 : 557 pages with 62 figures and 2 plates with 3 maps.   Hardbound, good or better condition.    $30.00

83032. Lees, J. H.   Iowa Geological Survey, Geology of Crawford County.   Iowa Geological Survey, 1927, Annual Report, 1925 and 1926, Volume 32 : pages 239-362 with illustrations including 1 fold-out map plate.   Softbound, very good condition.    $22.00

14129. Editor.   Annual Reports for the Year 1925-26 with accompanying papers and maps.   Iowa Geological Survey, 1927, Annual Report, 32.   Cloth bound, gilt lettering on spine, embossed, minor signs of use and age, very good condition.    $56.00

82950. Kays, G. F. et al.   IGS, Annual Reports, 1928 with Accompanying Papers on Pre-Illinoian Pleistocene Geology, Stratigraphy and Paleontology Maquokeeta Shale and Mineral Production of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1929, Annual Report, Volume 34 : 464 pages with illustrations.   Hardbound, signs of use and age, text in good or better condition.    $37.00

83033. Carman, J. E.   Further Studies on the Pleistocene Geology of Northwestern Iowa.   Iowa Geological Survey, 1931, Annual Report, 1925 and 1926, Volume 35 : pages 15-194 with illustrations including 2 fold-out map plate.   Softbound, xlib, signs of use and age, text in good plus or better condition.    $19.00

82946. Kays, G. F. et al.   IGS, Annual Reports, 1929 with Accompanying Papers on Pleistocene Geology, Dakota Stage Type Locality, Stratigraphy Kinderhook Series, Natural Molding Sands, New Specimens Paleoniscid Brain, and Mineral Production of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1931, Annual Report, Volume 35 : 547 pages with 24 figures and 2 plates.   Hardbound, spine cover missing, front hinge weak, text in good or better condition.    $19.00

82945. Trowbridge, A. C. et al.   IGS, Annual Reports, 1940 and 1941 with Accompanying Papers on Illinoin and Post-Illinoin Pleistocene Geology Iowa, Ceramic Shales and Clays, Cambrian Strata, and Mineral Production.   Iowa Geological Survey, Iowa City, Iowa, 1943, Annual Report, Volume 38 : 455 pages with illustrations.   Hardbound, previous owners name, minor signs of use and age, very good condition.    $37.00

82934. Harris, S. E. and Parker, M. C.   Stratigraphy of the Osage Series in Southeastern Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1964, Report of Investigations, Number 1 : 52 pages with 7 plates and 17 figures.   Softbound, some signs of age, text in very good condition.    $15.00

82935. Trowbridge, A. C.   Glacial Drift in the "Driftless Area" of Northeast Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1966, Report of Investigations, Number 2 : 28 pages with 2 figures.   Softbound, some signs of age, text in very good condition.    $11.00

82937. Parker, M. C.   La Porte City Chert - A Devonian Subsurface Formation in Central Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1967, Report of Investigations, Number 4 : 12 pages with 3 figures.   Softbound, minor signs of age, text in very good condition.    $15.00

75367. Yoho, W. H.   Preliminary Report on Basement Complex Rocks of Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1967, IGS, Report of Investigations, Number 3 : 19 pages with 1 plate.   Softbound, minor signs of age, previous owners name, text in very good condition.    $11.00

8608. Rose, J. N.   Fossils & Rocks of Eastern Iowa, a half-billion years of Iowa history.   Iowa Geological Survey, 1967, Educational Series, 1 : 147 pages with 63 figures and 20 plates.   Softbound, very good condition.    $15.00

82940. Ruhe, R. V. et al.   Iowan Drift Problem, Northeastern Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1968, Report of Investigations, Number 7 : 40 pages with 5 tables and 12 figures.   Softbound, previous owners book stamp, minor signs of age, text in very good condition.    $11.00

82939. Hinman, E. E.   A Biohermal Facies in the Silurian of Eastern Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1968, Report of Investigations, Number 6 : 52 pages with 1 frontispiece, 1 table and 13 figures.   Softbound, minor signs of age, text in very good condition.    $11.00

82938. Koch, D. L. and Strimple, H. L.   A New Upper Devonian Cystoid Attached to a Discontinuity Surface.   Iowa Geological Survey, Iowa City, Iowa, 1968, Report of Investigations, Number 5 : 49 pages with 9 plates, 1 table and 9 figures.   Softbound, minor signs of age, text in very good condition.    $15.00

82942. Dorheim, F. H. et al.   The Yellow Spring Group of the Upper Devonian in Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1969, Report of Investigations, Number 9 : 30 pages with 13 figures.   Softbound, minor signs of age, very good condition.    $15.00

82943. Koch, D. L.   Stratigraphy of the Upper Devonian Shell Rock Formation of North-Central Iowa.   Iowa Geological Survey, Iowa City, Iowa, 1970, Report of Investigations, Number 10 : 123 pages with 3 plates, 1 table and 19 figures.   Softbound, minor signs of age, very good condition.    $11.00

83036. Hallberg, G. R.   Illinoian and Pre-Illinoian Stratigraphy of Southeast Iowa and Adjacent Illinois.   Iowa Geological Survey, 1980, IGS, Technical Information Series, Number 11 : 206 pages with illustrations.   Softbound, small stain, text in very good condition.    $15.00