TY - RPRT TI - Distribution and characteristics of a Middle Ordovician oolitic ironstone in northeastern Kansas based on petrographic and petrophysical properties: A Laurasian ironstone case study AU - P. Berendsen AU - J.H. Doveton AU - S. Speczik PY - 1992 DO - 10.1016/0037-0738(92)90084-5 UR - https://pubs.usgs.gov/publication/70017217 ID - 70017217 ER -