Title |
Comment |
Keywords |
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"
|
Soil Management and Conservation
|
21:21 - 22:50 (01:29) / 2.7 MB
|
"Wayne Soppeland", "Rick Aguayo", "Mojave Desert", soil, weathering, crop, erosion, water, "soil management", agriculture, "U.S. Soil Conservation Service", irrigation, "soil survey", farming
|
Geology School Keywords
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