HUMAN-POWERED DRILLING TECHNOLOGIES an overview of human-powered drilling technologies for shallow small diameter well construction, for domestic and agricultural water supply Richard C Carter First Edition1, May 2005 - Drill bit - Document - PDFSEARCH.IO

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	HUMAN-POWERED DRILLING TECHNOLOGIES an overview of human-powered drilling technologies for shallow small diameter well construction, for domestic and agricultural water supply Richard C Carter First Edition1, May 2005 Add to Reading List Document Date: 2009-05-14 07:34:58 Open Document File Size: 624,83 KB Share Result on Facebook

HUMAN-POWERED DRILLING TECHNOLOGIES an overview of human-powered drilling technologies for shallow small diameter well construction, for domestic and agricultural water supply Richard C Carter First Edition1, May 2005Add to Reading List