- Frederick Fitzgerald De Roos
- Untitled map of Niagara River, 1827
- lithograph
- 8.375 x 5.25 in (21.27 x 13.34 cm)
- Inv: CAM2006.001.065d
- Attribution: Generous Donation from Dr. Charles Rand Penney, partially funded by the Castellani Purchase Fund, with additional funding from Mr. and Mrs. Thomas A. Lytle, 2006
- Collections: Niagara Falls Art