All this Salmon river research has led me to the Oregon State Archives. There they have the records of the Oregon State Highway Commission. Commission records go back to about 1911 when the commission was formed and there is a set of logbooks of commission discussions and well as a set of maps (some maps appear missing). I spend about two days at the archives and found in the journals the progress of the conversion of the Salmon River Wagon Road to the State highway from its earliest discussion in 1917 until at least 1933 when they were installing signage. … Continue reading Blueprints of the New Salmon River Highway