TY - BOOK AU - Nelson,Samuel J. TI - Ordovician stratigraphy of northern Hudson Bay lowland, Manitoba, AV - QE185 .A43 no. 108 PY - 1964///] CY - [Ottawa] PB - Dept. of Mines and Technical Surveys, Canada KW - Geology KW - Hudson Bay Region KW - Geology, Stratigraphic KW - Ordovician KW - Manitoba N1 - Abstract also in French; Bibliography: p. 35-36 ER -