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Subject
- 29 Airfields
- 29 Runways
- 25 Frost
- 25 Frost action
- 25 Frost heave
- 25 Frost heaving
- 19 Pavement bases
- 18 Frost penetration
- 18 Pavements
- 18 Soil mechanics
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Date issued
- 21 1950 - 1958
- 20 1945 - 1949
Has File(s)
- 41 true