Free topographical maps.
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This is pretty neat!
Article that lead me to it:
https://petapixel.com/2016/08/06/nat-geo-launches-free-website-printing-detailed-topographical-maps/Actual site:
http://www.natgeomaps.com/trail-maps/pdf-quadsPretty neat, could be pretty handy.
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Good link. I've used this in the past to locate high and low elevations in these flat parts when trying to shoot over corn :seedling:
