Puerto Rico's Underutilized Land Revealed in Startling 1899 Census Maps.
The land in Puerto Rico was not fully utilized when the United States took over in 1898, despite the island being densely populated and many rural residents owning farms. Maps from the 1899 census showed that even in areas where sugarcane farming was common, less than 25% of the land was being used for cultivation, with some regions using less than 10%.