W. F. & N. W.  From Wellington TX through Harmon and Jackson Counties to Altus.  Portions were later abandoned, but the segment from Duke to Altus continued to operate as the Hollis and Eastern at least through 1986.
Hollis Harmon W. F. & N. W. 
Kelly Harmon W. F. & N. W. 
Duke Jackson W. F. & N. W. 
Victory Jackson W. F. & N. W. 
Altus Jackson W. F. & N. W. 
W. F. & N. W.  From Hammon in Roger Mills County to the Texas Border in Cotton County.  Later taken over by the M. K. T, but the segment north of Altus was abandoned by 1972.
Hammon Roger Mills W. F. & N. W. 
Carpenter Roger Mills W. F. & N. W.
Elk City Beckham W. F. & N. W. 
Kempton Beckham W. F. & N. W. 
Carter Beckham W. F. & N. W. 
Willow Greer W. F. & N. W. 
Binkman Greer W. F. & N. W. 
Mangum Greer W. F. & N. W. 
Hester Greer W. F. & N. W. 
Martha Jackson W. F. & N. W. 
Altus Jackson W. F. & N. W. 
Humphrey Jackson W. F. & N. W. 
Tipton Tillman W. F. & N. W. 
Frederick Tillman W. F. & N. W. 
Hollister Tillman W. F. & N. W. 
Loveland Tillman W. F. & N. W. 
Grandfield Tillman W. F. & N. W. 
Sage Cotton W. F. & N. W. 
Devol Cotton W. F. & N. W.