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Keywords from Image Description:
Steam shovel at work NYPL bGF B. en Steam shovel at work nypl org Scan by NYPL Steam shovel at work Hoosac tunnel route series Tunnels The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection fbacfddabc GFB Robert Dennis collection of stereoscopic views defeadeeaa NYPGF repo nypl org File Steam