British Royal Engineers constructing second line trenches in Flanders

Ft. Sanders, Knoxville, Tenn., showing saliant assaulted by Longstreets forces, Novr. 29th 1863

Sudbury River Conduit, B.W.W., div. 4, Nov. 13, 1876. View inside of engineer's office at Newton Upper Falls, Mass.

Sudbury River Conduit B.W.W., Div. 4 Engineers and inspector, Sept. 13, 1876.

Sudbury River Conduit B.W.W., Div. 4 Engineering party, Sept. 13, 1876.

View of engineers on the project at work in their office.

View of engineers on the project at work in their office.