- ArchiefMG 146 - W.O. Kupsch fonds
- ReeksJ. Audio-Visual Materials
- 1260 more...
- StukWOK 10-128 - Steam escaping from drilled hole in Namafjall solfatara area
- StukWOK 10-129 - Drill hole with casing and pipe to gathering area, Namafjall solfatara area
- StukWOK 10-130 - Sulfur deposited by hot springs at Namafjall solfatara area
- StukWOK 10-131 - Small cone deposited by hot spring, Namafjall
- StukWOK 10-132 - Pillow lavas, hydrothermally altered, near Namafjall
- StukWOK 10-133 - Pillow lavas, hydrothermally altered, near Namafjall
- StukWOK 10-134 - Tuff beds of Hverfjall eruption about 2400 years ago
- StukWOK 10-135 - Section through ejected lava block showing different textures
- StukWOK 10-136 - Lava tunnel, partly collapsed. Near Ludent crater group, Myvatn area
- 1036 more...