Including Detective Allan Pinkerton at Antietam in 1862, Gen. William Sherman in Atlanta in 1864, and a jewel thief, train robber, kidnapper, burglar in 1919 and two horses pulling a huge load of logs in Michigan.

Horse and mule power (http://www.slideshare.net/hv920/horse-and-mule-power)

http://www.slideshare.net/pauloazul/horse-and-mulepower1

Interesting photos! Thanks!

(You wanna bet that there wasn't someone going around back then posting handbills saying something like
"1910 and we still have to listen to all that neighing and braying?" =)