Found the following at the FHC:
Film #1433527, Cherokee Co. Land Index
9:40 a.m. 24 Apr 1880
Grantor: John Cassell & wife
Grantee: Royal Gurley
Nature of Instrument: Mortgage
Where recorded: Vol. D, Pg 237
Remarks: Satisfied, July 10th AD 1882
Description of Tract: E 1/2 of NE 1/4 S, T35, R23
Kathleen Cooper - Carlsbad (San Diego), CA
kathleencooper(a)bigfoot.com