Water Well Journal

February 2023

Water Well Journal

Issue link: https://read.dmtmag.com/i/1490447

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Page 0 of 67

NGWA mourns loss of former Executive Director Jay Lehr, page 54 February 2023 The Groundwater NGWA Association ® Advantages of Dual Rotary Switching to this drilling method is increasing due to its versatility, efficiency, and cost-effectiveness, page 21 Also: Using Air and Foam, page 36 The Devil's in the Details, page 40

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