1943
National Gallery of Art, 1935
National Gallery of Art, 1917
National Gallery of Art, 1903
National Gallery of Art, 1936
National Gallery of Art, 1638
National Gallery of Art, 1843
National Gallery of Art, 1573
National Gallery of Art, 1923
National Gallery of Art, 1535
National Gallery of Art, 1600
National Gallery of Art, 1854
National Gallery of Art, 2000
![Over the River, Project for the Arkansas River, Colorado [top panel]](https://api.nga.gov/iiif/a265092c-7906-4e41-864f-6132f25bd385/full/843,/0/default.jpg)