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

1923-01-01 Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • a-4

Article


Letter of Transmittal

George F. Kay

1923-01-01 Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 5-6

Mineral Production in Iowa in 1921 and 1922

James H. Lees

1923-01-01 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

1923-01-01 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

1923-01-01 Volume 30 • 1923 • Annual Reports, 1921 and 1922, with Accompanying Papers • 361-374