Siegfriedkarte from 1877

Unedited section from sheet Nr. 521, Bernina; the grid width is 3 kilometres. Note hand-written label "CAS" upper left from the map centre marking an alpine club hut which no longer exists.

Edited version of the same map: Margins of Vadret da Roseg and Vadret da Tschierva are highlighted in orange, the tongue positions of 2003 are superimposed in red, the new glacial lake, Lej Vadret, in turquoise.