TY - BOOK AU - Johnston,William,Alfred TI - The Trent Valley outlet of Lake Algonquin and the deformation of the Algonquin waterplane in Lake Simcoe district, Ontario T2 - Canada. Geological Survey. Museum bulletin AV - QH1 .C13 no. 23 PY - 1916/// CY - Ottawa PB - Government printing bureau KW - Geology KW - Ontario KW - Ottawa N1 - Cover-title; At head of title: Canada. Department of mines ER -