1. 04. English Audio Visual Earth's Crust ;   Publication: Oakville, Ontario : Magic Lantern Communications Ltd., 1995 . 1 DVD (26 min.) , Closed captioned for the hearing impaired. 1/4 in. Date:1995 Availability: Copies available: (1), Actions:
2. 04. English Audio Visual Earth's crust /   Publication: Oakville, Ontario : Magic Lantern Communications Ltd., 1995 . 1 video cassette (50 min.) : , Closed captioned for the hearing impaired. 1/2 in. Date:1995 Availability: Copies available: (1), Actions:
3. 04. English Audio Visual Erosion /   Publication: Oakville, Ontario : Magic Lantern Communications Ltd., 1997 . 1 video cassette (50 min.) : , Closed captioned for the hearing impaired. 1/2 in. Date:1997 Availability: Copies available: (1), Actions: