I'm not sure of the precise location of Hillibee but the below would seem to confirm that Johnson's Depot and Johnson's Station are two different places. Hillabee was on or near Canadian upstream of South Fork/Gaines Creek and downstream of Old Ft Holmes at the mouth of Little River.

Hindman to Roane, Nov. 25, 1862

I have appointed Mr. C. B. Johnson purchasing agent for the Quarter Master and Commissary departments, furnished him with what funds I could spare, and will start him to the Red River country tomorrow with instructions to push up supplies direct to this place, also to Johnson’s Depot near Hillbee on the Canadian and also to accumulate as largely as practicable at Fort Washita and Fort Arbuckle.