The U.S. Army Engineer School Apprenticeship Program for the trade of grading and paving equipment operatorUnited States Department of the Army · First published 1977Open the Tome
The U.S. Army Engineer School Apprenticeship Program for the trade of plant equipment operatorUnited States Department of the Army · First published 1977Open the Tome
The U.S. Army Engineering School Apprenticeship Program for the trade of universal equipment operator (construction equipment)United States Department of the Army · First published 1977Open the Tome