More than 50 each year.
The Iditarod dog sled race is known as "The Last Great Race" and it is run each year in Alaska. The dogs pull the sleds from Anchorage to Nome.
they tip
Eskimos
dog sleds and stuff
The train.
Huskys
Incredible Maine - 2007 Dog Sleds 4-2 was released on: USA: 2010
I believe a breed of Dog used is called; "The Canadian Eskimo Dog", this breed also goes by other names such as "Gronlandshund, Inuit Husky and Qimmiq".
http://catinkacards.tripod.com/pictures/dogsled_line.gif
boats and dog sleds
luge is french for sled