الصفحة الرئيسية > Term: form contour
form contour
A topographic contour determined (1) by stereoscopic study of aerial photographs without ground control or (2) by other means not involving conventional surveying.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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المنشئ
- ed.young
- 100% positive feedback
(Milwaukee, United States)