16.5 x 20" folio 15 minute sheet in Blue and Tan issued

1897 1st edition of this series. Sweet issue and clean. This is THE map to research Oakland, Alameda and the hills behind, Fruitvale, Concord of course and the actual Walnut creek as well as the town named after it. Building count and riparian information now lost to urbanization and suburbanization provides great reference for the area , prior to the great migration to California between 1900 -1935