Favorite this☆ bh016913 Workers pouring concrete in forms for dock wall, Waterworks Park, Detroit water supply system
Favorite this☆ bh016911 Form work and concreting plant, dock wall, Waterworks Park, Detroit water supply system
Favorite this☆ bh016909 Forms in place on dock wall ready for concrete, Waterworks Park, Detroit water supply system
Favorite this☆ bh016902 Crane depositing iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system, in trench
Favorite this☆ bh016901 Iron pipe in trench, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
Favorite this☆ bh016900 Workers laying iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
Favorite this☆ bh016899 Iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
Favorite this☆ bh016898 Workers laying iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
Favorite this☆ bh016897 Workers laying iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
Favorite this☆ bh016896 Workers laying iron pipe, manufactured by United Welding Co., Middletown, Ohio for Detroit water supply system
