This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
{{Information |Description=Blackpool, 1784 |Source=The Evolution of a Coast-Line<br>* http://www.archive.org/details/evolutionofcoast00ashtrich |Date=1920 |Author=William Ashton |Permission=Public domain (70 years post mortem auctoris) |other_versions= }}
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
