Collection Three Rivers cockle fishery Fishery openings and forms for the Three Rivers cockle fishery. Part of: Intertidal fisheries First published: 28 February 2020 Last updated: 4 April 2023 Guidance Application form 2023 (Byelaw 47) 4 April 2023 Form Public notice (temporary closure) 28 April 2022 Guidance Period catch return form (byelaw 47) 14 November 2019 Form