This collection consists of photographs and negatives relating to family and career of Cazenove Gardner Lee, Jr. The images are primarily of various gunpowder mills, including Mooar, Iowa; Schaghticoke, New York; Ashburn, Missouri; and the Brandywine Mills area. There are images of workers, machinery and views of aftermaths of explosions and fires. There are also images of family and friends around Wilmington area, at the beach, playing tennis, sailing and canoeing.

Series I. Photograph album includes photographic prints with no captions or identification. A third of the photographs are adhered to pages within the album. The remaining photographs were originally loose within the album; these photographs have been removed and foldered separately for preservation; however; the original order of the photographs has been retained.

Series II. Negatives album contains negatives which were originally within the album, few of which have corresponding photographs within the photograph album. The negatives have been removed from the negative album for preservation. The original order of the negatives has been retained. Description from the index in the negative album was used to identify the images.

Series III. Unidentified negatives consists of negatives which were loose and not associated with the photograph album or the negative album.