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There's a tool in Google Earth New

Forum: BoaterTalk
Re:

can someone tell me how to find out how long a section of river is and the gradient it drops in that section? <NT> thedh New
Re:

also search google for the GIS map for the county the river is in dilbert New
Re:

can you do this without ARCMAP? <NT> Creekstyle New
Date: Feb 12 2007, 21:16 GMT
From: merryPster


	You can get the distance and the elevations. They're usually off of the 30-meter DEM so if the run's really short you could end up being off -- it's also going to be the average gradient not the more important maximum gradient.

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