1924: A Salmon Forest lookout report indicates that the lookout's camp was located about a mile below the top of the mountain.
1929: two-story log cabin (Kresek)
June 13, 1934: "F.R. Barber, former superintendent of schools here, arrived Saturday from Pocatello. Mr. Barber will be lookout at the Redrock forest station in the Yellow Jacket country this summer. Mrs. Barber will spend the summer in Missouri." (Recorder Herald)
September 6, 1944: "Mrs. Hayden came in Wednesday from Red Rock lookout where she spent the summer." (Recorder Herald)
National Geodetic Survey
DESIGNATION - RED ROCK PID - QZ0569 STATE/COUNTY- ID/LEMHI COUNTRY - US USGS QUAD - BLACKBIRD MTN (1989) STATION DESCRIPTION
DESCRIBED BY US GEOLOGICAL SURVEY 1912 LOCATED ABOUT 5 MI. W. OF FORNEY POST OFFICE, ON NW. ONE OF TWO ROCKY POINTS ON RED ROCK MOUNTAIN TOP. THE OTHER SMALL ROCKY POINT 500 FT. SE. IS CROWNED WITH RED ROCK LOOKOUT HOUSE.
TO REACH FROM FORNEY POST OFFICE, TAKE RD. N. LEADING TO YELLOWJACKET RANGER STATION AND YELLOWJACKET MINE, FOR 0.3 MI., CONTINUE 7.2 MI. W. TO TOP OF MAIN RIDGE, WHICH IS THE DIVIDE BETWEEN SHOVEL AND PROPHYRY CREEKS, THENCE 3 MI. ON RD. TO RED ROCK LOOKOUT, WHICH FOLLOWS ROUGHLY THE MAIN DIVIDE, THENCE 0.2 MI. N. UP STEEP RD. TO LOW SADDLE. STATION IS 300 FT. NW. ON ROCKY TOP.