Mary Fields, a 6′, 200-pound former slave became the second woman and the first…

Mary Fields, a 6′, 200-pound former slave became the second woman and the first African-American to work for the US Postal Service in Montana. She began to work for the USPS at the age of 60 after hitching a team of six horses faster than any cowboy and never missed work in 10 years.

from Crazy Facts http://ift.tt/1BIgos5