July 16, 1914: "Tom Crossley came in from Castle creek Tuesday. He reports that he has established a lookout station on Pilot Knob, and that forest guard, George E. Watkins, is stationed there as look-out, being on duty as look-out day and night for fires in any part of the reserve visible from his station and particularly in his district. The altitude of Pilot Knob is 7100 feet and it gives a great range of vision in all directions. The Seven Devils are plainly visible from the point, as is Grangeville and Tom says that the new Grangeville school house can be very plainly seen. The South Fork as well as its tributaries are very low now." (Idaho County Free Press)
July 8, 1915: "District five extends up into the South Fork country and is in charge of ranger Tom Crossley. George Watkins is his lookout man stationed at Pilot Knob." - "A cabin will be built at Pilot Knob. Ben Anderson and Wm. Droogs are in charge of this work." (Idaho County Free Press)
July 7, 1921: "Thos. Crossley will take a crew to the Mountain House to build a telephone line from that point to the Pilot Knob lookout station." (The Grangeville Globe)
1922: A 10'x10' frame cabin with a hip roof was constructed.
1939: An L-4 cab built atop a 10-foot timber tower.