RT @ThomasG77: Leo Hsu and Regina Obe: The State of PostGIS, Joys of Testing, and PLR the Prequel http://bit.ly/fLLfSk
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RT @ThomasG77: Leo Hsu and Regina Obe: The State of PostGIS, Joys of Testing, and PLR the Prequel http://bit.ly/fLLfSk