Thankyou Jackie,Yes you are right.They did move to Grant Co OK and to Salt Fork and Lamont....Barry Hart shared with me death dates:
Andrew Hart died June 11, 1904 Louisa Hart died June 12, 1917? Philip Benton Hart died Jan 8, 1937 George M Hart died Feb. 22, 1969 possiby an infant Geo Hart died Feb 26, 1909.
I am currently working with the Medford OK, Grant Co. Librarian, Tomi Jill Rodgers, to locate obituaries. Do you think Joseph Eli Hart and wf Carrie Hart are buried in Aurora? Thankyou for you kind response.