Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers

Front Matter

Front Matter, Iowa Geological Survey, Volume XXX, Annual Reports, 1921 and 1922, with Accompanying Papers

    Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • a-4

    Article

    Letter of Transmittal

    • George F. Kay

    Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 5-6

    Mineral Production in Iowa in 1921 and 1922

    • James H. Lees

    Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 7-32

    The Stratigraphy of the Mississippian Formations of Iowa

    • Francis M. Van Tuyl

    Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 33-360

    Back Matter

    Index, Iowa Geological Survey Annual Report, vol. 30 issue 1

      Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 361-374