This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Dry Dock Engine Works Machine Shop Interior . Detroit Dry Dock Engine Works Machine Shop Interior Historic American Buildings Survey HABS image Library of Congress Prints and Photograph Division Historic American Buildings Survey HABS loc gov pnp mi MI Thomas Klug MI hhh mi in Detroit photographs Detroit Dry Dock Complex Buildings