Burton, Virginia Lee

Katy, a crawler tractor, was a bulldozer in the summer and a snow plow in the winter. This is the story of Katy and the biggest snow storm that ever came to Geoppolis.

Mike Mulligan proves that, although dated, his steam shovel is still useful.

Although Mike Mulligan's steam shovel is too old fashioned to compete with newer models, the people of Popperville find a way to keep them working.

When Mike Mulligan and his steam shovel, Mary Anne, lose their jobs to the gasoline, electric, and diesel motor shovels, they find a new opportunity in a very surprising place.

Although Mike Mulligan's steam shovel is too old fashioned to compete with newer models, the people of Popperville find a way to keep them working.