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Pack mule isolated on a white background, hardworking and sturdy animal, traditionally used for carrying heavy loads over long distances, generative ai Stock Illustration | Adobe Stock
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Keeping it wild: how mules help preserve the last untamed places in the US | Environment | The Guardian
![The Mule Pack, An Ore Train Going into the Silver Mines, Colorado, 1901 Painting by Frederic Remington - Fine Art America The Mule Pack, An Ore Train Going into the Silver Mines, Colorado, 1901 Painting by Frederic Remington - Fine Art America](https://images.fineartamerica.com/images/artworkimages/mediumlarge/2/the-mule-pack-an-ore-train-going-into-the-silver-mines-colorado-1901-frederic-remington.jpg)
The Mule Pack, An Ore Train Going into the Silver Mines, Colorado, 1901 Painting by Frederic Remington - Fine Art America
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