English | Russian |
at a depth of 150m below level of adit N2 | на глубине 150м ниже горизонта штольни N2 |
plan of a level | план горизонта (Figure 56 shows a partial plan of a level at the Morning mine in Idaho, where the ore is in a vein 6 to 30 feet wide, dipping at 80° to nearly vertical. ArcticFox) |