Latitude: 46°56'49"N
Longitude: 91°47'30"W
A river flowing into Lake Superior on Minnesota's north shore. Knife River shares its name with a small town. Collecting is done primarily on the banks near Knife River Park, a wayside rest off Highway 61. Prehnite specimens found here are some of the best from Minnesota.
References
Encrustation pseudomorphs of prehnite after laumontite from Saint Louis and Lake Counties, Minnesota. Rocks & Minerals (2006): 81: 136-140.
Mineral List
10 entries listed. 10 valid minerals.
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