drainage well
a. A well pumped in order to lower water tables; b. Vertical shaft to a permeable substratum into which surface and subsurface drainage water is channeled (now illegal).
Authorization Path: 2.4.5.2.20.15
a. A well pumped in order to lower water tables; b. Vertical shaft to a permeable substratum into which surface and subsurface drainage water is channeled (now illegal).
Authorization Path: 2.4.5.2.20.15