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[50-04] Yellowstone Nature Notes. Vol. XXIV No. 4. July - August 1950.
Johnston, Merritt S., [50-04] Yellowstone Nature Notes. Vol. XXIV No. 4. July - August 1950. (1950). Montana History Portal, accessed 09/05/2026, https://www.mtmemory.org/nodes/view/115073





