4. Appendix
It is much to be regretted that our expedition was not accompanied by an expert photographer; but at the time of our departure from Helena, no one skilled in the art could be found with whom the hazards of the journey did not outweigh any seeming advantage or compensation which the undertaking promised.
The accompanying sketches of the two falls of the Yellowstone, and of the cones of the Grand and Castle geysers, were made by Walter Trumbull and Private Moore. They are the very first ever made of these objects. Through an inadvertence in the preparation of the electroyped plates for the printer, they did not appear in their proper places in this diary. Major Hiram M. Chittenden, in his volume "The Yellowstone Park," says of the two sketches made by Private Moore: "His quaint sketches of the falls forcibly remind one of the original picture of Niagara, made by Father Hennepin, in 1697."
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