distance was explored at the Grängesberg mine. A 45 m fall at Hällsjön, Smedjebackens kommun, where a small iron work had been located, was selected. In...
3 KB (253 words) - 14:54, 2 March 2024
distance was explored at the Grängesberg mine. A 45 m fall at Hällsjön, Smedjebackens kommun, where a small iron work had been located, was selected. In...
55 KB (6,520 words) - 17:35, 27 October 2024
explored at the Grängesberg mine in Sweden. A 45 m fall at Hällsjön, Smedjebackens kommun, where a small iron work had been located, was selected. In...
49 KB (6,096 words) - 13:43, 13 November 2024