Coal
10-0...178752
by
0xa6d5...e69d
•OP Mainnet
—
107296133
In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata.
TIME OF WORK
Jul 24, 2023 — Jul 24, 2024
Work Scope
project
Contributors
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Owners
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