runoff
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Famous Black Sand Beach at Kaimu, created by lava runoff, is a favorite tourist stop, November 1973
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Runoff Sediment from Nearby Stripping Has Clouded This Stream. This Is in Apparent Violation of Ohio Law Which States: "Operator Must Prevent Any Substantial Deposition of Sediment in Any Water Course Or Body of Water." 10/1973
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Mountain streams in Ouray County, Colorado run yellow because of the tailings from the gold mills (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
421件~480件 (全 9,313件)

























































