Search Results for the EPA National Library Catalog

Items Found: 5

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Your Search: (AUTHOR=Duffield AND John)


Select Item Title Year Published
Contingent Valuation of Montana Trout Fishing by River and Angler Subgroup, Angler Preference Study Final Economics Report 1988
Determination of Human Body Burden Baseline Data of Platinum through Autopsy Tissue Analysis. 1976
Economic value of instream flow in Montana's Big Hole and Bitterroot rivers 1994
Natural resource damages : law and economics / 1992
The Net Economic Value of Fishing in Montana 1987

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