![File:If You Squint You Can Make out the Mules Crossing the Bridge (17032215190).jpg - Wikimedia Commons File:If You Squint You Can Make out the Mules Crossing the Bridge (17032215190).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/If_You_Squint_You_Can_Make_out_the_Mules_Crossing_the_Bridge_%2817032215190%29.jpg/2560px-If_You_Squint_You_Can_Make_out_the_Mules_Crossing_the_Bridge_%2817032215190%29.jpg)
File:If You Squint You Can Make out the Mules Crossing the Bridge (17032215190).jpg - Wikimedia Commons
![The Black Bridge over the Colorado. The mules this on to cross the river. - Picture of Phantom Ranch, Grand Canyon National Park - Tripadvisor The Black Bridge over the Colorado. The mules this on to cross the river. - Picture of Phantom Ranch, Grand Canyon National Park - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/12/d1/ce/35/the-black-bridge-over.jpg)
The Black Bridge over the Colorado. The mules this on to cross the river. - Picture of Phantom Ranch, Grand Canyon National Park - Tripadvisor
![This bridge lets cows cross the Delaware Canal and it's towpath. Mules used to use the towpath to tow barges up and down the canal. | Pics4Learning This bridge lets cows cross the Delaware Canal and it's towpath. Mules used to use the towpath to tow barges up and down the canal. | Pics4Learning](https://images2.pics4learning.com/catalog/c/cow_bridge.jpg)
This bridge lets cows cross the Delaware Canal and it's towpath. Mules used to use the towpath to tow barges up and down the canal. | Pics4Learning
Strongsville to pay planner more than $200,000 for Whitney Road covered bridge reconstruction - cleveland.com
![We went through the tunnel and across the bridge on the way down and back up. The bridge and tunnel are over 100 years old. - Picture of Grand Canyon Mule Tours We went through the tunnel and across the bridge on the way down and back up. The bridge and tunnel are over 100 years old. - Picture of Grand Canyon Mule Tours](https://media-cdn.tripadvisor.com/media/photo-s/15/e1/68/42/we-went-through-the-tunnel.jpg)