Banff National Park, Alberta, Canada ID: 1338 3161 0660 0038 [detail] Marguerite Gregory © 2004 California Academy of Sciences

Banff National Park, Alberta, Canada ID: 1338 3161 0660 0040 [detail] Marguerite Gregory © 2004 California Academy of Sciences

Banff National Park, Canada ID: 1338 3161 0660 0042 [detail] Marguerite Gregory © 2004 California Academy of Sciences

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