Thursday, May 17, 2012
Geology geeks: Time for a shopping spree
Geology geeks: Time for a shopping spree: The United States Geological Survey is having a great big spring sale, with lots of maps, charts, and publications—some of them mid-century vintage—discounted to $1. Yes, $1. At that price, you can't afford to not own entirely too many USGS maps. (Via Travis Weller)
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