Yes, the document provides the cause of Chinese populations immigrating to California, which will lead to immigration restrictions on the West Coast of the United States.
The document shows how China's economy was suffering heavy depressions and losing the value of their currency. This caused Chinese peoples to immigrate away from China and towards the West Coast of the United States (California) in search for better conditions. Because of this heavy migration causing job problems and cultural tensions in California, the restrictions of Chinese immigration began to be put into place.