Benchmark Hunters and Geocachers Find New Treasures in Lasting Impressions Book | GeodeticSurveyingPhilippines.com
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Benchmark Hunters and Geocachers Find New Treasures in Lasting Impressions Book

Madison, WI (PRWeb) December 6, 2006 -- From the icy peak of Mt. McKinley to the waters of the Florida Keys, survey markers help us understand where we are and how we relate to the land around us....

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