![Siegfriedkarte from 1877 Siegfriedkarte from 1877](icons/siegfriedkarte-1877.jpg) 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. | ![Siegfriedkarte from 1877 Siegfriedkarte from 1877](icons/siegfried-1877-2003.jpg) 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. |