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Colorado Wall Map

FAQ and threads for those just starting to hike the Colorado 14ers.
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Re: Colorado Wall Map

Postby jdorje » Sat Feb 04, 2012 12:42 pm

What is the san luis river listed on that 1894 map? did people just not know anything about geography back then? Or is it supposed to be a below-ground river? Without severe geologic changes in the last 120 years, it seems unlikely for a river to be flowing out of a closed basin like that!
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Re: Colorado Wall Map

Postby rijaca » Sat Feb 04, 2012 1:21 pm

jdorje wrote:What is the san luis river listed on that 1894 map? did people just not know anything about geography back then? Or is it supposed to be a below-ground river? Without severe geologic changes in the last 120 years, it seems unlikely for a river to be flowing out of a closed basin like that!


San Luis Creek flow south into a closed basin (the northern half of the San Luis valley). Due to the porous nature of the ground and the dry climate, the water flows into the ground.
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