H. B. Nason pencil drawing, "Boulders on Mt. Tekoa viewed from the southwest," 1855 June 15
Lydia B. Grout pencil drawing, "Erosions on the Mamana River, Natal, South Africa"
Lydia B. Grout pencil drawing, "View of eroded hills near Natal in South Africa"
Pencil drawing, "Canon of Chelly"
Pencil drawing, "Terraces in the Gorge at Bellows Falls"
Pencil drawing, "Terraces in the Pelham"
Pencil drawing, "View of eroded hills near Natal, S. Africa"