Filmy: Earth Image Films
- 1982
The Cracking of Glen Canyon Damn (1982)
The Cracking of Glen Canyon Damn01982HD
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- 1990
Poison in the Rockies (1990)
Poison in the Rockies01990HD
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- 1983
The Four Corners: A National Sacrifice Area? (1983)
The Four Corners: A National Sacrifice Area?01983HD
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