00000nam 2200000za 4500 9.820951 CaOODSP 20251031142447 cr ||||||||||| 160713s2005 nsc|||||o f|0| 0 eng d CaOODSP eng n-cn--- M183-2/4967E-PDF Todd, Brian J. (Brian Jeremy) Lake sediment erosional unconformities and possible lowered lake level at 7.6 14C ka in the Lake Simcoe basin, Ontario [electronic resource] / Brian J. Todd, C.F. Michael Lewis and Thane W. Anderson. Dartmouth, N.S. : Natural Resources Canada, Geological Survey of Canada, 2005. 1 poster : maps, graphs. Open file (Geological Survey of Canada) 4967 Includes bibliographical references. In this poster we present evidence of an uncomfortable surface, which truncates underlying sedimentary units, discovered in seismic reflection profiles in Lake Simcoe. gccst Lakes gccst Sedimentology gccst Oceanography Lewis, C. F. M. Anderson, Thane W. Canada. Natural Resources Canada. Geological Survey of Canada (Atlantic) Geological Survey of Canada. Open file (Geological Survey of Canada) 4967 (CaOODSP)9.506878 PDF 36.69 MB https://publications.gc.ca/collections/collection_2016/rncan-nrcan/M183-2-4967-eng.pdf