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robert g darmody
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Cilt sonuçları
High-extraction coal mining in Illinois
Robert G. Darmody · Illinois State Geological Survey
184 sayfa · 1988
Coal mines and mining / Corn / Crop yields / Environmental aspects / Environmental aspects of Crop yields
Tidal marsh soils of Maryland
Robert G. Darmody · Maryland Agricultural Experiment Station, University of Maryland
69 sayfa · 1978
Salt marshes / Soils