Abstract
MR. ORRIN E. DUNLAP, writing from Niagara Falls, “sends us some striking photographs of ice formations noticed at Niagara during the past winter. An ice bridge formed in the gorge below the Falls in December last, and thousands of persons crossed from shore to shore on this curious formation. Another remarkable object was an ice mountain composed of a massive collection of frozen spray (Fig. 1). Usually this mound rests on the debris slope between the inclined railway building and the falling water, but last winter it bridged the torrent of the American Fall and extended over in front of the Fall. Here a grotto-like effect was caused by the wearing tendencies of the falling water, and the effect was repeated on the outside, or ice bridge side, of the mountain. From the ice bridge the different layers of ice that went to make up the mound could be distinguished.
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Frost Effects at Niagara . Nature 69, 499 (1904). https://doi.org/10.1038/069499a0
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DOI: https://doi.org/10.1038/069499a0