Geoscientific studies of Champlain Sea sediments, Bilberry Creek, Ottawa, Ontario : autumn 2019 drilling and core retrieval / M.J. Hinton and S. Alpay.: M183-2/8923E-PDF

"The Rideau Valley Conservation Authority (RVCA), in collaboration with the City of Ottawa, is managing the Bilberry Creek Hazard Mapping Project to map flood risk and slope stability hazards along Bilberry Creek in Orleans, a suburb of Ottawa, Ontario. For a parallel study, the RVCA and the City of Ottawa drilled boreholes at two sites (BC16 to a depth of 48.8 m, and VC2 to 65.9 m) to provide the Geological Survey of Canada (GSC) with near-continuous core samples for geological, geochemical, geophysical, geotechnical and hydrogeological analyses. PVC casings were installed at BC16 and VC2 to allow for geophysical logging. Vibrating wire piezometers and water table wells were installed in adjacent, shallower borings to measure groundwater pressures or levels at various depths. This report documents the fieldwork and methods used to collect core samples and to install casing and piezometers at the drilling sites. Data arising from this study will provide comprehensive multidisciplinary characterizations to establish two geological reference sites within Champlain Sea deposits"--Summary, page iii.

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