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Since 1952, L.G. Hetager Drilling, Inc. has been providing a wide range of exploratory geotechnical and environmental drilling services for the engineering, ...
aggregate reserve exploration  Diamond core boring  mineral reserve exploration  Reverse air circulation  Split inner barrel 
www.hetager.com - 2009-02-05
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GeoCor Engineering Inc. 261 Park Street Kingston, Ontario K7L 1K7 Phone/Fax (613) 531-1855 geocor@kingston.net GEOTECHNICAL ENVIRONMENTAL STRUCTURAL COASTAL ...
geocor  geocor engineering inc.  shelby tube 
www.geocorengineering.com - 2009-02-09
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