World's oldest operating reactor, in Chalk River, to close in 2018 | Ottawa Citizen
Chalk River Laboratories - Wikipedia
Chalk rivers | The Wildlife Trusts
Chalk River, GE Hitachi Part of Canada's Nuclear Focus
Chalk River nuclear accident, (Ontario) Canada
Improving wildlife habitats on the Royal chalk River Babingley - Salix
Chalk River & Area Lion's Club | Chalk River ON
Chalk River: The Forgotten Nuclear Accidents | The Walrus
The Index of English Chalk Streams – Chalk-Streams
Chalk River Project Update - Global First Power
Chalk River nuclear waste dumps approved without free, prior, informed consent – The Council of Canadians
Chalk River - Wikipedia
Ottawa Riverkeeper submits written comments to the CNSC concerning the 2019 Regulatory Oversight Report for Canadian Nuclear Laboratories - Ottawa Riverkeeper | Garde-rivière des Outaouais
Chalk streams in East of England boosted by rainfall, says RSPB