Volcanoes and volcanic rocks
Gass, I. G. 1926-
Volcanoes and volcanic rocks [motion picture] / Open University ; speakers, Professor I. G. Gass, Dr. P. W. Francis - 1 film reel (23 min.) : sd., b&w. ; 16 mm. + script
In the progrmme we look at a variety of volcanoes, Hawaii in the Pacific, Etna in the Mediterranean and two in Mexico, Popocatepetl & paricutin which is the most recently active volcano in that area Backup available in U-matic 3/4 in. Bahan rosak (Lupus)
Volcanoes.
Volcanoes and volcanic rocks [motion picture] / Open University ; speakers, Professor I. G. Gass, Dr. P. W. Francis - 1 film reel (23 min.) : sd., b&w. ; 16 mm. + script
In the progrmme we look at a variety of volcanoes, Hawaii in the Pacific, Etna in the Mediterranean and two in Mexico, Popocatepetl & paricutin which is the most recently active volcano in that area Backup available in U-matic 3/4 in. Bahan rosak (Lupus)
Volcanoes.