March 31, 1934: "A crew is constructing a lookout tower near Cobden, on the Lolo forest, to afford a better view of the timbered region in that vicinity for fire potection purposes." (The Daily Missoulian)
April 4, 1934: "Materials for 10 new lookout towers and observatory building to be placed on the Lolo national forest this spring and summer have been ordered. One location will be: Quartz district--Cobden knob." (The Missoulian)
1934: An L-4 observation cab was built atop a 30-foot round timber tower.