Description Folder 110 Curatorial Remarks The letter is in reference to Moran's 1892 oil painting of the Grand Canyon of the Colorado, currently in the collection of the Philadelphia Museum of Art. The painting was donated to the museum by Graeme Lorimor, the son of George H. Lorimor. The painting was the source for Gustave H. Buek's chromolithograph The Grand Canyon of the Colorado, 16.221c. See Wilkins, Thurman. Thomas Moran: Artist of the Mountains....