Diary of Gaspar de Portol? during the California expedition of 1769-1770. This book, "Diary of Gaspar de Portol? during the California expedition of 1769-1770", by Donald Evgene Smith, is a replication of a book originally published before 1909. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.