"Crappie Fishermen Save 38 Dogs from Drowning in Mississippi's Grenada Lake |" Outdoor Life

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The pack chased after a deer that ran into the lake. Gist said the dogs were at least a mile from shore, and he guessed they'd been treading water for at least 45 minutes to an hour.."

https://www.outdoorlife.com/survival/fishermen-save-hunting-dogs-mississippi-lake/