Only metadata for this folder, no digitized documents or microfiches.
| Type | Company |
| Location | United States (North America) |
| Industry | Nonmetallic Minerals Industry |
| Holdings | Newspaper clippings: 1983-2004 Annual reports: 1983-1999 |
| URI | https://pm20.zbw.eu/folder/co/014737 |
| ID | co/014737 |