| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| Inventory | 1950 – 2001 | Class | |||
| Documents | 1438 – 1965 | Class | |||
| Gonzen iron mine | 1919 – 1966 | Class | |||
| Field books / drilling journal | 1942 – 1977 | Class | |||
| Photographs | 1846 – 1986 | Class | |||
| Third-party expert reports | 1900 – 1953 | Class | |||
| Geology / Petrography | 1941 – 1995 | Class | |||
| Geological studies | 1930 – 2000 | Class | |||
| Business correspondence | 1947 – 1989 | Class | |||
| Business records | 1920 – 2019 | Class | |||
| Mine plans | 1899 – 1967 | Class | |||
| Metallography | 1983 – 1995 | Class | |||
| Pro Gonzenbergwerk | 1982 – 1989 | Class | |||
| Publications Gonzen iron mine | 1832 – 1991 | Class | |||
| Publications W. Epprecht | 1946 – 1989 | Class | |||
| Raw materials: extraction and processing | 1868 – 1967 | Class | |||
| Sketches, Profiles, Plans | 1941 – 2000 | Class | |||
| Folklore | 1840 – 2000 | Class |
1 to 18 from 18 Entries