FRASER, Colo. (AP) – The search has been called off for a missing hunter in the Colorado mountains.

Rich Kothanek (credit: CBS)

Rich Kothanek (credit: CBS)

Grand County Sheriff Rod Johnson says the search for 51-year-old Richard Kothanek of Littleton ended on Tuesday.

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Johnson says temperatures dropped to minus-16 Saturday night making it unlikely Kothanek survived.

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(credit: CBS)

(credit: CBS)

Authorities say Kothanek went on a short hunting trip by himself on Saturday and never returned.

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