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Date: 2011-08-18 03:20:18Planetary science Business Lunar science Agricultural machinery Geology Soil Regolith Moon Lunar soil Screw conveyor Auger Sediment transport | Microsoft Word - Excavation System for Lunar Resource Management Based on Screw Conveying Auger Technology_49thAIAA_AerospaceScDocument is deleted from original location. Download Document from Web Archive |