Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers
Front Matter
Front Matter, Iowa Geological Survey, Volume XXVIII, Annual Reports, 1917 and 1918, with Accompanying Papers
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • i-viii
Article
Letter of Transmittal
- George F. Kay
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • 1-2
Mineral Production in Iowa for 1917 and 1918
- James H. Lees
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • 3-46
Gypsum: Its Occurrence, Origin, Technology and Uses (pp.47-245)
- Frank A. Wilder
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • 47-245
Gypsum: Its Occurrence, Origin, Technology and Uses (pp.246-472)
- Frank A. Wilder
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • 246-472
Gypsum: Its Occurrence, Origin, Technology and Uses (pp.473-538)
- Frank A. Wilder
Volume 28 • 1919 • Annual Reports, 1917 and 1918, with Accompanying Papers • 473-538