On 7 July 1870, William Augustus Brevoort Coolidge, Christian Almer and Ulrich Almer reached the summit of the Ailefroide (3954m) in the Massif des Écrins for the first time.
.On 7 July 1870, William Augustus Brevoort Coolidge, Christian Almer and Ulrich Almer reached the summit of the Ailefroide (3954m) in the Massif des Écrins for the first time.
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