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Prospect-holes in the mine of Vispasca, branching off the central gallery
Reconstruction of H. Wilsdorf.

Prospect-holes in the mine of Vispasca, branching off the central gallery.

Reconstruction of H. Wilsdorf.
Description:
1 — mine, 2 — interval of safety, 3 — central adit with the water canal (4), 5 — prospect-holes, section 4x4 foot, 6 — deposits of the ore.
Credits:
© Image, text: Slovar’ antichnosti. / Per. s nem. — M.: Progress, 1989 (to article “Gornoe delo”)
THE GALLERY OF ANCIENT ART
Keywords: prospect-holes in the mine of vispasca branching off central gallery reconstruction h wilsdorf pit shaft adit with water canal prospect-hole bore exploring prospecting deposit deposits bed beds ore mineral mining engineering
History of Ancient Rome