299
29.6.1.
Natural stone………………………………………………………
213
29.6.2.
Main properties of natural stones stone…………………………...
214
30. Concept of engineering and geological maps
…………………..
218
31. Methods of hydrogeological research
………………………...
222
31.1.
The main purpose of hydrogeological research in the fields……...
222
31.2.
Stages of hydrogeological research in the study of deposit……….
224
31.3.
Methods for determining the inflow of groundwater
to mountain
structures…………………………………………….….…………
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