Kathleen Stuart in The Thaw Collection: Master Drawings and Oil Sketches, Acquisitions Since 1994. Exh. cat., Pierpont Morgan Library. New York, 2002, pp. 208–9, no. 96, ill. (color), supports dating it to Fearnley's eighteen-month sojourn in Dresden, 1829–30, during which the artist studied with Johan Christian Dahl and was exposed to the work of Caspar David Friedrich.
Esther Bell. "Catalogue Raisonné of the Thaw Collection." Studying Nature: Oil Sketches from the Thaw Collection. Ed. Jennifer Tonkovich. New York, 2011, p. 122, no. 61, ill. (color), calls it "Monolith and Trees".