Route established September 8, 1920
Pilots Log February 21, 1921
Between Salt Lake and Cheyenne
CHE + 282. Granger, Wyo. — 16 miles north of the course on the Union Pacific where the Oregon Short Line joins the Union Pacific from the north.
CHE + 246. Green River, Wyo. — Follow the Union Pacific double-tracked railroad from Rock Springs. There is an emergency field here which is distinguished [on] account of its being the only cleared space of its size, near the town. Green river is crossed immediately after the city of Green River is passed. Here the course leaves the railroad which continues in a northwesterly direction. By flying approximately 230˚ compass course from here, Cheyenne [Salt Lake City] will be reached.