Analysis of information sources in references of the Wikipedia article "Blanche River (Saint-Casimir)" in English language version.
The origin of this name and, if applicable, its meaning have not yet been determined. The Toponymy Commission invites anyone with information on any of these aspects to share it with it.
The rocks of the Lowlands form a complete sedimentary sequence of Cambroordovician age, with a thickness of 1500 to 3000 m. This sequence represents a large complete cycle of transgression — regression
... characterized by a plain clayey embedded between hills rising to more than 200 meters altitude