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Excavating work, construction of sewage lines and sewage disposal plant, a WPA (Work Projects Administration) national defense project sponsored by the city of San Diego. All excavating on this project up to date has been done by hand--but big equipment is now being moved in. San Diego, California by Russell Lee
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Excavating work, construction of sewage lines and sewage disposal plant, a WPA (Work Projects Administration) national defense project sponsored by the city of San Diego. All excavating on this project up to date has been done by hand--but big equipment is now being moved in. San Diego, California by Russell Lee

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Excavating work, construction of sewage lines and sewage disposal plant, a WPA (Work Projects Administration) national defense project sponsored by the city of San Diego. All excavating on this project up to date has been done by hand--but big equipment is now being moved in. San Diego, California by Russell Lee

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