B. L. Hummel

• Ecological survey for Belledune Fertilizer Limited, New Brunswick , summer 1975
• Ecological survey for Brunswick Mining and Smelting Corporation Limited (smelting division) Belledune, N.B., July-August 1976
• Ecological survey for Brunswick mining and smelting corporation limited (smelting division), Summer 1975
• Ecological Survey for mines Gaspe, Murdochville, Quebec, 5-15 July, 1977