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Anchor text: YOUR INSURANCE: PROTECTION AND RESCUE METHODS ON FIRN AND ICE

Wikipedia: Crevasse rescue

Anchor text: WALKING TECHNIQUES ON ICE AND FIRN

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Anchor text: SELF-ARREST TECHNIQUES ON A GLACIER

Wikipedia: Self-arrest

Anchor text: Table of UIAA Topographic Map Symbols

Wikipedia: Topo (climbing)

Anchor text: YOUR INSURANCE: THE ROPE TEAM

Wikipedia: Rope team