Colored pickets on duty near Dutch Gap

Roper Hospital, Charleston, S.C., where the Federal wounded were confined

The Ambulance Corps.

The ever welcome Sanitary Commission

How Sherman's boys fixed the railroad

Building a pontoon bridge at Beaufort, S.C.

Building a pontoon bridge at Beaufort, S.C.

A canvas pontoon bridge

Army wagon going to commissary depot, City Point, for supplies

Captured rifled steel breach-loading Whitworth Gun, Richmond, Va.

Gen. Ingalls, 4th New-York Artillery, loading a cannon

Embarkation for White House, from Yorktown, Va.

Railroad battery before Petersburg

Railroad battery before Petersburg

Fort Sumter (i.e. Sumner), near Fair Oaks, June 1862. A sharp fight occurred at this place within five minutes after this photograph was made. Cannoneers are hurrying to the guns as alarm is sounding

Artillery captured from the rebels

Artillery captured from the rebels

Group, Major Robertson and friends

Fort Sumner on the Chickahominy, Va.

Captured siege guns, at Rocketts, Richmond, Va.

Park of captured guns at Rocketts, Richmond, Va.

Independent Pennsylvania Battery "E", (Knap's Battery)

Independent Pennsylvania Battery "E" (Knapp's Battery)

A Confederate redoubt

A Confederate redoubt

Sling cart for moving heavy cannon

Sling-cart for moving heavy cannon

A Negro family coming into the Union lines

"Mounting Guard"

Captured guns at the Rocketts, Richmond, Va. The vessels at the docks are shipping them for transportation to Fortress Monroe