Minnesota Sand Samples
 

 

LOCATION

 THUMBNAIL  IMAGES

REFLECTANCE SPECTRA

LAC LA CROIX 48.36N, 92.07W

Copper Core ?

 

Two Harbors, Lake Superior 47.03N, 91.66W

 

Knife River,  Lake Superior 46.79N, 92.10W

 

TAMARAC BAY 46.04N, 95.29W

CRYSTAL LAKE, BURNSVILLE  44.72N, 93.27W

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