March 28, 1929: "The Los Angeles County Forestry department, under the supervision of County Forester Spence D, Turner, is now working on a larger and better fire protection plan for the northern part of the county, notably that section called Pine canyon. At the present time there is under construction a fire lookout tower on Sawmill mountain, at an elevation of 5,390 feet. This tower is being constructed of galvanized steel, with a height of thirty feet above the ground. At the same time there will be built a cabin to house the lookout man during his stay on the mountain during the season. The cost of these buildings will be $1,750. Aside from this there will be constructed four miles of trail leading from Pine canyon up Sawmill mountain to the lookout tower, and at the same time there will be approximately four miles of telephone line constructed. This line will be connected to the county forestry telephone line, which was built in Pine canyon a little more than a year ago. The completion of this work on Sawmill mountain will cost in the neighborhood of $3,000." (The Signal)
1935: The lookout was moved to the Tejon Mountain.