Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Roaring Brook—Adirondack Mountains
Dated: 1868
Medium: Graphite and white gouache on tan paper
Dimensions: 16 7/8 x 12 3/4 in. (42.9 x 32.4 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY