A seagull flies over the California Coastal National Monument which stretches along the entire coast of California and extends 12 miles into the Pacific Ocean.  The Monument includes 20,000 rocks, islands, pinnacles and reefs.
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Helen Mercury Mine - Abandoned Mine Lands Project

Helen Mine - photo 2  
Photo 2:  Iron-oxide rich effluent seeping from the toe of the lower mine dump. The material, including the white precipitate is the same as the effluent flowing from the main portal (Photo #1).  Dry Creek is about 300 feet downslope in the upper right of the photo (Image #1).