Ontonagon beach gravels
Ontonagon, MI US
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Uploaded on Saturday, April 23, 2011 at 06:13:28 PM

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Location Type: Public Access
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In the Lake Superior beach gravels of Ontonagon, you can reportedly find adularia, Keweenah agates, chalcedony, chert, jasper, Thomsonite (pink and green).
No specific location is marked here, but feel free to share.
Google Map: (The GPS marker is only marking the nearest city.)
Follow this Link to Get Google's Directions

Reference Info: "A Location Guide for Rockhounds in the United States part 2" page 214, http://www.missourigeologists.org/Min-Loc2-2005.pdf
Extra Notes: