14.7.2. Geological survey of rivers………………………………………. 109
14.8. Quicksand………………………………………………………… 111
14.9. Suffosion………………………………………………………….. 118
14.10. The process of sedimentation…………………………………….. 118
15. The emergence of groundwater, physico-chemical properties.
Types of groundwater according to the occurrence conditions
..124
15.1. The emergence of groundwater…………………………………... 124
15.2. Physico-chemical properties of groundwater…………………….. 125
15.3. Types of groundwater according to the occurrence conditions…... 127
16. Patterns of movement and flow rate of interlayer
groundwater……………………………………………………...
133
16.1. Interlayer groundwater…………………………………………… 133
16.2. Patterns of groundwater movement………………………………. 136
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