Facts
- Author
- Shell Union Oil Corporation
- Language
- English
- Project Gutenberg No.
- 4768
- Released on Project Gutenberg
- December 1, 2003
- Bookshelves
- How To ..., Sports/Hobbies, Nature/Gardening/Animals
- Subjects
- Shells – Juvenile literature, Shells – Collectors and collecting – Juvenile literature, Rocks – Collection and preservation – Juvenile literature
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)