of this side, the St Lawrence on the other. To the north is a chain of Mts the Laurentide primarily 2000 feet or more high in places. Across the St Lawrence many miles to the south is another high ridge, said to be the White Mountains, as high or higher than the Laurentides? Did the Ordovician once extend over [illegible] the top of these Mts? If so the Trenton St. Iroca-Cincinnati series was faulted down and again faulted at the St Lawrence -- the first St. Lawrence fault of Logan one which has been pressed north-westward the Lewis channel material. Thus Lewis channel. From Montmorency.