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)
No known copyright restrictions(著作権制限なし)

Slag run-off from one of the open hearth furnaces of a steel mills, Republic Steel Corp., Youngstown, Ohio. Slag is drawn off the furnace just before the molten steel is poured into ladles for ingotting (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

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)
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