The Chartiers Creek AMD flows out of an old mine entrance (now sealed and covered except for the AMD spring) flows down a hill, through a pipe under the train tracks and down into the river. this is the lower section. The character of the precipitate changes with distance from the source, at the upper part the precipitate is very soft and yellow with abundant jello textured brain looking microbial communities, down on the lower part the ppt is much harder and orange, and forms travertine like pools and falls.
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