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… The Penobscot River (Maine), with a length of 563 km and a drainage basin of 22,300 square kilometers, is the second …

… and gas), drilling and well treatment fluids, process and drainage water, and sewage and domestic wastes. Excavation … infrastructure sites can alter existing watercourses and drainage patterns with marked effects on vegetation and … that thaws in the summer, forming a complex pattern of drainage and vegetation. Melting ground ice causes land …