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Keywords from Image Description:
CHNB Walliser Alpen Eduard Spelterini EADWEHRB.tif de Walliser Alpen Eduard Spelterini EADWEHRB helveticarchives ch aspx ID helveticarchives ch creator Eduard Spelterini heading Custom marker PDoldauto Swiss National Library CHNB photographs by Eduard Spelterini Uploaded with Eduard Spelterini Aerial photographs