. The Canadian field-naturalist. View View 2. View 1 shows the preglacial channel of the Blanche river excavated in granite-gneiss. This channel was filled with glacial varved clays which slid out causing the slide of April, 1927. View 2 taken from the same point, looking upstream shows the position of the present falls located on bed rock 1000 feet upstream from the position of the old Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemb
. The Canadian field-naturalist. View View 2. View 1 shows the preglacial channel of the Blanche river excavated in granite-gneiss. This channel was filled with glacial varved clays which slid out causing the slide of April, 1927. View 2 taken from the same point, looking upstream shows the position of the present falls located on bed rock 1000 feet upstream from the position of the old Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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Keywords: ., bookauthorottawafieldnaturalist, bookcentury1900, bookdecade1920
