@article{Sarjeant_1990, title={The Field Naturalist: John Macoun, the Geological Survey and Natural Science}, volume={17}, url={https://journals.lib.unb.ca/index.php/GC/article/view/3685}, number={3}, journal={Geoscience Canada}, author={Sarjeant, William A. S.}, year={1990}, month={Sep.} }