TY - JOUR AB - AU - DA - 1929/1// DO - 10.17077/2160-5270.1240 IS - 1 VL - 34 PB - Iowa Geological Survey PY - 1929 TI - Front Matter, Iowa Geological Survey, Volume XXXIV, Annual Report, 1928, with Accompanying Papers T2 - Iowa Geological Survey Annual Report UR - https://pubs.lib.uiowa.edu/igsar/article/id/1028/ ER -