- FundoMG 146 - W.O. Kupsch fonds
- SérieJ. Audio-Visual Materials
- 732 mais...
- ItemWOK 6-8 - Glory hole, Ruby Gulch Mine, Little Rock Mountains
- ItemWOK 6-9 - Escarpment of Eagle sandstone, Little Rock Mountains
- ItemWOK 6-11 - Stalagcites and Stalagmites
- ItemWOK 6-12 - Diagrams related to peneplain, panplain and pediplain
- ItemWOK 6-13 - Present topography and geologic structure - Dominguez Hills oil field, California
- ItemWOK 6-14 - Drilling a well and making the pipe for a well
- ItemWOK 6-15 - Bamboo pipelines in Szechwan province, China
- ItemWOK 6-16 - Collecting oil with sponges - seashore of Agrigento
- ItemWOK 6-17 - Spring pole drilling
- 1564 mais...