Title |
Comment |
Keywords |
Natural Resources
|
05:53 - 06:30 (00:37) / 0.7 MB
|
"James Sadd", "natural resource", geologist
|
Natural Resources
|
14:02 - 14:17 (00:15) / 0.6 MB
|
"natural resource", soil, mineral, oil, gas, water
|
Coexisting with Geologic Hazards
|
14:17 - 14:41 (00:24) / 0.7 MB
|
conservation, "natural resource", "geologic hazard", geologist
|
Dust Bowl In Retrospect
|
20:45 - 21:21 (00:36) / 1.0 MB
|
"Richard Hazlett", weathering, soil, "dust bowl", "U.S. Soil Conservation Service", agriculture, "natural resource"
|
Geology School Keywords
|