Reference : MM-1-18-153
Name of creator(s) : Michael Moerman
Scope and content : August 16, 1960. If the infrastructure conditions of Chiang Kham district were better, it would lead to a decline in the price of products and a more favourable economic situation. However, a very large budget was required for the construction of roads. August 22, 1960. The government implemented several projects for road construction from the town of Phayao to Chiang Kham and from Chiang Kham to Chiang Rai.
Extent and medium : Punch card