Dig: A Journey Into Earth (1972)
Animation
A boy and his dog take a wondrous trip under the earth's crust and through the geological eras of time, introducing children to geology in the form of a musical fantasy.
Cast
Rocco (voice)
Adam (voice)
Mother (voice)
Earl of Limestone (voice)
Pre-Cambrian Rocks (voice)
Uncle Igneous (voice)
Aunt Sedimentary (voice)
Cousin Metamorphic (voice)