Work on the new railroad that thrust its way up onto the Shangtang: Plateau from the old railhead at the huge coalmine of Chiaotso in the Yellow River Valley went on for three years.
Source: wiktionary
Coalmine
Synonyms for "coalmine" (10 found)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.