Binding: Unknown Binding Label: Philippine Bureau of Mines in cooperation with the United States Geological Survey under the auspices of the United States International Cooperation Administration and Philippine Council for United States Aid Manufacturer: Philippine Bureau of Mines in cooperation with the United States Geological Survey under the auspices of the United States International Cooperation Administration and Philippine Council for United States Aid Number Of Pages: 49 Publication Date: 1956 Publisher: Philippine Bureau of Mines in cooperation with the United States Geological Survey under the auspices of the United States International Cooperation Administration and Philippine Council for United States Aid Studio: Philippine Bureau of Mines in cooperation with the United States Geological Survey under the auspices of the United States International Cooperation Administration and Philippine Council for United States Aid