US Army, Technical Manual, TM 5-331A, UTILIZATION OF ENGINEER CONSTRUCTION EQUIPMENT, VOLUME A-EARTHMOVING, COMPACTION, GRADING, AND DITCHING EQUIPMENT,
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US Army, Technical Manual, TM 5-331A, UTILIZATION OF ENGINEER CONSTRUCTION EQUIPMENT, VOLUME A-EARTHMOVING, COMPACTION, GRADING, AND DITCHING EQUIPMENT










