False 1623-258 Tunnockschacht 1623 2d 2/S/E x 258 258 1623-258a a 1623-258b b CUCC 2006, 2007 See underground description page See underground description

Plan, post-2007 Expo[784KB; 2021x3449 pixels, greyscale]
Plan, post-2007 Expo[3218KB; 9454x17164 pixels, greyscale]

In dataset caves/258/258.svx smkridge/258/258.html smkridge/258/258.html