[Abraham H. Cannon Journal]
He called on Sis. Eliza R. Snow Smith Young: ". . . and in the course of our conversation she said she heard the Prophet Joseph once remark, 'when the ten tribes were taken away, the earth was divided, so that they occupy a separate planet from this.' This was news to me."
[Abraham H. Cannon Journal Excerpts, http://www.amazon.com/Apostles-Record-Journals-Abraham-1889-1896/dp/B000MFD1K4]