Air — Pollution — Billings (Mont.).
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High plains news service : April 4 / produced by Peggy Berryhill and Mary Boyel.
Bi-monthly newsmagazine which focuses upon issues from the Great Plains.|HIGH PLAINS NEW SERVICE : APRIL 4 / produced by Peggy Berryhill and Mary Boyle. Bi-monthly newsmagazine which focuses upon issues from the Great Plains. CONTENT: 1990 Clean Air Bill : its filure to address auto emissions / Scott Schlegel (3:09)| Attempts to clean the air…