Historically, how deep were typical hand-dug water wells in various parts of the world? Were all lined with stones around the walls to keep them from collapsing? Was mortar used? Were they
![Protecting Your Water Source: What's the Condition of Your Water Well? | NDSU Agriculture and Extension Protecting Your Water Source: What's the Condition of Your Water Well? | NDSU Agriculture and Extension](https://www.ndsu.edu/agriculture/sites/default/files/2022-08/0222b38f-0abb-4025-8d3e-6eaa945b511d.jpeg)
Protecting Your Water Source: What's the Condition of Your Water Well? | NDSU Agriculture and Extension
![The following are general descriptions of hand-dug and hand-drilled sinking methods. For more details, see the manual sections on Hand-Duq Wells and Drilled Wells. The following are general descriptions of hand-dug and hand-drilled sinking methods. For more details, see the manual sections on Hand-Duq Wells and Drilled Wells.](https://wgbis.ces.iisc.ac.in/energy/water/paper/drinkingwater/wellsconstruction/fig3.gif)