Under the rusty cliffs of Marble Canyon, the start of the Grand Canyon in Arizona, a nondescript river measurement gauge has been tracking the flow of the Colorado River for decades. It’s a picturesque place, often filled with rafters and swimmers, about 15 river miles downstrea…
This article was originally published by Colorado Sun (RSS) on Friday, March 27, 2026. TownPost surfaces local news from over 40 outlets and uses AI to score each story for relevance to Longmont and the surrounding area.
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