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 Marvin F. Glotfelty, RG, covers well development techniques and concepts. |
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 Marvin F. Glotfelty, RG, gives an overview of filter pack sand selection and design. |
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 Thomas M. Hanna, RPG, discusses need for a universal system for borehole logging.
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 Marvin F. Glotfelty, RG, covers the importance of technical specification verbiage. |
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 Marvin F. Glotfelty, RG, discusses impact of annulus width on well performance. |
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 Curtis King, CWD/PI, shares thoughts on winning the 2019 NGWA Special Recognition and Life Member Awards. |
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 Chip Nelson explains automatic grease systems and grease banks. |
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Read about rules geologists and engineers can follow when heading to the jobsite. |
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Read The Water Well Geologist’s Field Notebook—Using the Penetration Rate. |
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Read Water Well Construction Observation for a Field Geologist by Christopher S. Johnson, PG, CHg. |
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Read General Well Design Considerations: Part 3 from Christopher S. Johnson, PG, CHg. |
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Read General Well Design Considerations: Part 2 from Christopher S. Johnson, PG, CHg. |
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Read General Well Design Considerations: Part 1 from Christopher S. Johnson, PG, CHg. |
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 Watch the video interview with Tom Downey, CWD/PI, on constructing irrigation wells and selecting pumping systems. |
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 Watch a video interview on drilling by Marvin F. Glotfelty, RG, a principal hydrogeologist at Clear Creek Associates LLC in Scottsdale, Arizona. |
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 Watch a video interview on well maintenance with Michael Schnieders, PG, PH-GW, president and principal hydrogeologist at Water Systems Engineering Inc. in Ottawa, Kansas. |
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Get drilling tips on preparing to drill overseas by two industry veterans. |
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 Watch a video interview with drilling veteran Gary Shawver, MGWC, who discusses advancements of today’s drilling rig and practical tips to extend the life of your rig. |
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Read about the business opportunities at mine sites for contractors by John Fowler, CSP, CMSP. |
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Learn how many factors play a role in whether a borehole deviates or not in an article by Christopher S. Johnson, PG, Chg. |
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Learn smart practices for good well design in an article by industry veteran Christopher S. Johnson, PG, Chg. |
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Read about keeping focused on core principles when it comes to well construction by Michael J. Schnieders, PG, PH-GW. |
Items marked with the NGWA member exclusive icon are available only to members of the National Ground Water Association. 
Watch the video interview with Tom Downey, CWD/PI, on constructing irrigation wells and selecting pumping systems.