| Author: | Shell Union Oil Corporation |
| Subject: | QL, Rocks -- Collection and preservation -- Juvenile literature, Shells -- Collectors and collecting -- Juvenile literature, Shells -- Juvenile literature |
| Format: | Text |
| Date issued: | 2003 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Let's Collect Rocks and Shells [electronic resource] / Shell Union Oil Corporation |