الصفحة الرئيسية > Term: interior coalfields
interior coalfields
U.S. Includes Eastern Interior Field, Illinois, Indiana, and Kentucky; Western Interior Field, Great Plains States from Iowa to Arkansas; Southwestern Field, Texas; and Northern Field, Michigan.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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(Milwaukee, United States)
