Stasz writes that London "had taken fully to heart the vision, expressed in his agrarian fiction, of the land as the closest earthly version of Eden ... he educated himself through the study of agricultural manuals and scientific tomes. He conceived of a system of ranching that today would be praised for its ecological wisdom." He was proud to own the first concrete silo in California, a circular piggery that he designed. He hoped to adapt the wisdom of Asian sustainable agriculture to the United States. He hired both Italian and Chinese stonemasons, whose distinctly different styles are obvious.