The fluorspar industry of the United States with special reference to Illinois-Kentucky district /
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | English |
| Series: | Bulletin (Illinois State Geological Survey) ;
no. 59. |
| Subjects: |
| Item Description: | In cooperation with the United States Department of the interior. Buearu of mines. At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey. |
|---|---|
| Physical Description: | 128 pages : illustrations |
| Bibliography: | Bibliography: pages 114-121. |