TY - BOOK T1 - The Cretaceous system in the western interior of North America :the proceedings of an international symposium organized by the Geological Association of Canada and held at the University of Saskatchewan in Saskatoon, May 23-26, 1973 / DA - 1975. CY - Waterloo, Ont. : AU - Caldwell, W. G. E., CN - QE685 CN - QE685 PB - Geological Association of Canada, Dept. of Earth Sciences, University of Waterloo, PP - Waterloo, Ont. : LA - eng PY - 1975. N1 - Abstracts in French. ID - 138347 KW - Geology, Stratigraphic KW - Geology KW - Geology KW - Paleontology TI - The Cretaceous system in the western interior of North America :the proceedings of an international symposium organized by the Geological Association of Canada and held at the University of Saskatchewan in Saskatoon, May 23-26, 1973 / ER -