Pvt. Campbell of the 521st Engineers is shown working on two forms for hoppers at Mestes-sur-Loire, Nievre, France. The completed project will consist of six hoppers. The date of the photograph is not specified, but it was cleared by the A.E.F. censor.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.