Steam Shovel in Rock Cut on Panama Canal

Front:
Steam Shovel in a Rock Cut on the Panama Canal.

Back:
FAMOUS SUPERIOR QUALITY THROUGHOUT THE WORLD Steam-shovel, in a rock cut, on the Panama Canal. Shovels such as this removed about 30,000,000 cubic yards of dirt and rock from Culebra Cut during 1912. The Valentine-Souvenir Co., New York. Printed in U. S. A. PC31