underdarkGIS’s avatarunderdarkGIS’s Twitter Archive—№ 10,996

  1. RT @PetersonGIS: So if you're interested in getting to know my books here is my author page: amazon.com/kindle-dbs/author/ref=mw_dp_a_ap?_encoding=UTF8&author=Gretchen%20N.%20Peterson&searchAlias=books&asin=B001T6T9A6 One is Locate Press's…
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