PLATE ILLUSTRATIONS I. Relief map of California II. III. Frontispiece FACING PAGE The main geographical features of California IV. Soil surveys in California, 1921 V. A rice field in the Sacramento Valley VI. Bean field in the heart of the Sacramento VII. A celery field on reclaimed land in the San 24 54 86 120 156 190 VIII. Rural homes in the citrus district of southern California 222 IX. Rural homes and prune orchards in the Santa 254 X. Prune drying-yard with an environment of 290 XI. Typical large dairy plant in the alfalfa districts 328 XII. Typical scene on the paved state highways which thread the California countryside 360 |