Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Study of Birch Trunks (Scribners')
Dated: 1869
Medium: Graphite and gouache on blue wove paper
Dimensions: 11 13/16 x 8 11/16 in. (30 x 22.1 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY