JACKSON, Wyo. (AP) -

Officials have given differing accounts about when the town of Jackson learned of the danger of an unstable hillside that collapsed in April.

Teton County Assessor Dawn Johnson told the Jackson Hole News & Guide Wednesday she believes residents alerted town officials as early as December.

Records show a couple told the assessor's office that month they had moved out of their house because shifting ground caused it to crack. It later split in two.

City-county planning director Tyler Sinclair and Town Manager Bob McLaurin have said they didn't know about the danger until shortly before the slide.

The slide threatened other homes and businesses and prompted an evacuation. Crews slowed it by piling rock along the base, and the town is considering longer-term projects to stabilize the hillside.

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Information from: Jackson Hole (Wyo.) News And Guide, http://www.jhnewsandguide.com