naturetechfam:Some of the beautiful #geological formations near our home in Custer. #blackhills #sou
naturetechfam:Some of the beautiful #geological formations near our home in Custer. #blackhills #southdakota #geologicalwonders #rocks #rockhound #geology (at Custer, South Dakota) -- source link
Tumblr Blog : naturetechfam.tumblr.com
#geology#nature#landscape#travel#black hills#photography#faulting#mountains#sedimentary#original photography#original photographers#south dakota#laramide
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