Oh, this is fun. If you have a little map, environment and/or geography geek streak, check out this interactive:
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“Do unto those downstream as you would have those upstream do unto you.”
― Wendell Berry
When a raindrop falls, where does it go? If it falls on my hometown, it flows 390km to the Atlantic Ocean.
If it falls on the Denver Broncos’ Mile High 50-yard line, just east of the Continental Divide, the path to the Gulf of Mexico is 3862km!
Click a starting point and the site will calculate a route and then do a visual fly-over. I wish it covered places outside the US but it’s still a fun and impressive window into data from the always excellent USGS.*
* Ah, the USGS, font of so much maptitude! Wait, is that a volcano webcam? Stop browsing, woman, you have work to do! But remind me to tell you my volcano story someday:)
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J.R. Johnson 
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