Morton Gneiss -- the oldest known exposed rock in North America, Morton, Minnesota USA

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Size: 3601px × 5412px
Location: Morton, Minnesota USA
Photo credit: © Clint Farlinger / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, bedrock, butterfly, exposed, gneiss, midwest, milkweed, minnesota, morton, natural, nature, north, oldest, rock, vertical, weed