Not signed, but the clear inklines, and eyes and hooves of the horses are Bob Jenney
This story is similar to several Roy stories credited to the team Al McKimson, Pete Alvarado, Randy Steffen and Andrew Bensen by Robert W Phillips. See Roy Rogers #24 Silver Spider, #25 Trades Lead, #26 Jerkline Feud, #27 Mustang Mountain, and #28 Apache Blood.
The art may vary a bit since several of them worked on the same story (also by R W Phillips)
Al McKimson was a pen name for several artists. First the brothers Chuck and Tom McKimson. Others were Pete Alvarado, John Ushler, Randy Steffen, Andrew Bensen, Hi Mankin, Mike Arens, Alex Toth.
Art identification by Steinar Ådland December 2010.
Art identification by Steinar Ådland December 2010
Last half page Subscription Form for Dell Comics.
Subscription ad with small photo and drawings.
Inside back cover.