R. Prairie

• Biological studies i the vicinity of f-group mine operation, May-September 1989
• Biological studies in the vicinity of Mattabi Mines operations, May-September 1989
• L'état de la population du saumon de l'atlantique rivière York, Gaspé, Québec
• Marine ecological survey for Belledune Fertilizer, Belledune, New Brunswick
• The characterization and environmental impact of the gypsum deposit near Belledune Fertilizer Plant outfall, Belledune, New Brunswick