The Anaconda Company’s proposal for development of the Heddleston Mining District, Lewis & Clark County, Montana : briefing, March 18, 1970
- publisher: Helena, Mont. : Montana Water Resources Board
- creator: Montana Water Resources Board Montana Water Resources Board Anaconda Company
- contributor: Anaconda Company.
- Keyword: Industrial districts Montana Heddleston Mining District. Air Pollution Montana.
- years: 1970.
- pages: 7 leaves :
- notes: A text to accompany slides.
- download: pdf file
