Yazar
paul e polzin
7 cilt bulundu.
Cilt sonuçları
Some economic impacts of the 1988 fires in the Yellowstone area
Paul E. Polzin · U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station
13 sayfa · 1993
Economic aspects / Economic aspects of Forest fires / Forest fires
The economic importance of Montana refineries and projected impacts of curtailments in Canadian petroleum imports
Paul E. Polzin · Montana Energy Advisory Council
36 sayfa · 1976
Petroleum industry and trade / Petroleum refineries
Economic importance of tourism in Montana
Paul E. Polzin · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station
19 sayfa · 1975
Tourist trade / Tourism
Montana's coal industry, facing an uncertain future
Paul E. Polzin · Bureau of Business and Economic Research, University of Montana
16 sayfa · 1984
Coal mines and mining
Water use and coal development in eastern Montana
Paul E. Polzin · Montana University Joint Water Resources Research Center
208 sayfa · 1974
Coal trade / Economic forecasting