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[50-06] Yellowstone Nature Notes. Vol. XXIV - No. 6. Nov.-Dec. 1950.
Jacobson, Arthur, [50-06] Yellowstone Nature Notes. Vol. XXIV - No. 6. Nov.-Dec. 1950. (1950). Montana History Portal, accessed 19/01/2026, https://www.mtmemory.org/nodes/view/115075





