Safety requirements for excavation, building, construction / War department, Corps of Engineers U.S. Army) occasional papers / the engineer school, united states army Historical sketch of the corps of engineers U.S. Army professional papers of the corps of engineers, u.s. army Report upon experiments and investigations to develop a system of submarine mines for defending the harbors of the United States / submitted to the Board … Safety requirements for excavation, building, construction / War department, Corps of Engineers U.S. Army Convoluut bestaande uit 10 delen met als onderwerp: Orders and Regulations, Corps of Engineers, U.S. Army Korporaal Simon Leija, smid bij de Amerikaanse genie, aan het werk in zijn werkplaats op de Junior N. Van Noy - U.S. Army repair ship … Duikers van het havenreparatieteam zitten in de compressiecabine van de Junior N. Van Noy - U.S. Army repair ship helps restore liberated harbors Amerikaanse genisten herbouwen een brug over de Aisne bij Soissons - Engineers win the battle of the bridges annual reports / war department Annual report of the Chief of Engineers U.S. Army annual reports / war department Report of the Chief of Engineers U.S. Army