A Few Groundwater Basics [Part 1 of 3] 117 KB / PDF Common Causes of Changes in Groundwater Quality [Part 2 of 3] 186 KB / PDF Deepwells: The Underground Subject [Part 3 of 3] 169 KB / PDF [Video] NCLF Deepwell Webinar | February 23, 2021 EXTERNAL LINK [PDF] NCLF Deepwell Webinar | February 23, 2021 10 MB / PDF
