- Robert Gourlay
- Ground Sketch of Niagara Falls, the Rapids, And Vicinity By RG for statistical account, 1822
- engraving
- 8.5 x 4.875 in (21.59 x 12.38 cm)
- Inv: CAM2006.001.056
- 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