Research Article
Aquiclude Stability Evaluation and Significance Analysis of Influencing Factors of Close-Distance Coal Seams: A Case Study of the Yili No. 4 Coal Mine in Xinjiang, China
Figure 2
Subdivision of the coal seam structure in the mining area.
(a) Thickness of the 21-1 coal seam |
(b) Thickness of the 23-2 coal seam |
(c) Seam spacing |