GUIDE TO NIAGARA FALLS AND ITS SCENERY. Including All the Points of Interest Both on the American and Canadian Side. Geology and Recession of the Falls by Sir Charles Lyell.
Philadelphia: George W. Childs, 1865. 72p., cloth, illustrated (4 plates), covers spotted, corners rubbed, good. Lyell's comments on the Falls are quoted on pp. 52-61. Lyell (1797-1875) is considered the father of modern geology. His "Travels in North America, with Observations" was published in 1845.