View of a trench, workers and equipment apparently engaged in construction work, probably sewer construction. Men stand on and next to the... Show moreView of a trench, workers and equipment apparently engaged in construction work, probably sewer construction. Men stand on and next to the machinery, which may be a steam shovel. Other men can be seen on either side of the trench, which is spanned with wood. Buildings that appear to be multistory houses can be seen in the background. Show less