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Related to Ephemeral stream: Ephemeral creek, Ephemeral river
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In the southwestern USA, monsoon thunderstorms can produce overland flow that results in spectacular flash floods in ephemeral stream channels (Lytle, 2000).
The study was concentrated at Doctors Park, located about 10 km north of Milwaukee, because this beach had high concentrations of black sand in 1998 that was concentrated near the ephemeral stream that flows to the lake across the beach.
An ephemeral stream or wash usually is present at D.
As a result, previously unprotected ephemeral streams and headwaters that are prone to destruction by mining and excavating practices could come under federal protection through permits.