https://www.planetary.org/articles/20100808-geology-of-glacier-national-park-part-1
Well, the field trip is over and I am happy to say that I was not eaten by any bears. They seemed much more interested in the huckleberries.
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https://www.simonhanmer52.ca/
Astronomy : this site is principally dedicated to Simon Hanmer's amateur astro photography, his many presentations on planetary geology, and photos of...
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