58:53 play_arrow BBC.Great.Rift.Africa.s.Wild.Heart.2of3.Water.PDTV.XviD.AC3 Geologist_person visibility 964 schedule 14 years ago favorite
30:31 play_arrow 36. Economic Geology of Petroleum Geologist_person visibility 47 schedule 15 years ago favorite
29:06 play_arrow 13. The Hawaiian Islands and Yellowstone Park Geologist_person visibility 47 schedule 15 years ago favorite
30:07 play_arrow 12. Phases of Volcanic Activity Geologist_person visibility 33 schedule 15 years ago favorite
29:48 play_arrow 33. The Formation of Mountains Geologist_person visibility 22 schedule 15 years ago favorite
30:18 play_arrow 31. Damage from Earthquakes Geologist_person visibility 28 schedule 15 years ago favorite
31:15 play_arrow 28. The Geologic Structures Geologist_person visibility 18 schedule 15 years ago favorite
29:28 play_arrow 26. Groundwater Contamination Geologist_person visibility 27 schedule 15 years ago favorite
28:13 play_arrow 24. The Production of Groundwater Geologist_person visibility 35 schedule 15 years ago favorite
31:12 play_arrow 22. Ice Sculpts the Final Scene Geologist_person visibility 14 schedule 15 years ago favorite
29:41 play_arrow 21. Stream Erosion in Arid Regions Geologist_person visibility 12 schedule 15 years ago favorite
29:06 play_arrow 20. Sculpting of the Landscape Geologist_person visibility 12 schedule 15 years ago favorite
31:21 play_arrow 19. Streams - The Major Agent of Erosion Geologist_person visibility 15 schedule 15 years ago favorite
30:44 play_arrow 18. Climate and the Type of Soils Geologist_person visibility 22 schedule 15 years ago favorite