pit ponies

[steffi1]

I am trying to remember the name of a film where a group of children save the pit ponies when the coal mines are closed

[mushroom25]

possibly this?
http://www.imdb.com/title/tt0076320/

[tonymclark]

"Escape from the Dark" is the one that sprang to my mind too mushroom25.

[Octavius]

Littlest Horse Thieves (1977) is a Disney version of the same.