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mark t duigon
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First report on the hydrologic effects of underground coal mining in southern Garrett County, Maryland
Mark T. Duigon · Dept. of Natural Resources, Maryland Geological Survey
99 sayfa · 1985
Coal mines and mining / Hydrology / Water quality
Formation geochemistry at two boreholes and its bearing on radium content of ground water, Anne Arundel County, Maryland
Mark T. Duigon · Maryland Dept. of Natural Resources, Maryland Geological Survey
34 sayfa · 2003
Environmental aspects of Radium / Groundwater / Pollution / Radioactive substances / Radium
Ground-water and surface-water data for Washington County, Maryland
Mark T. Duigon · Dept. of Natural Resources, Maryland Geological Survey
273 sayfa · 1989
Groundwater / Hydrology
The influence of ground water on nitrate loads of streams in the Upper Rock Creek basin, Montgomery County, Maryland
Mark T. Duigon · Maryland Geological Survey
53 sayfa · 2000
Groundwater flow / Nutrient pollution of water / Water quality management