REPORT OF COMMITTEE ON THOTOGRAPHS. G21 



Waterfalls. 



71. The rapids above Niagara falls, seen from the Canadian side. Size, 10 x 13 inches. 



Photographed by J. K. Hillers, 1886. 



72. The rapids and Canadian falls of Niagara, seen from Goat island. Size, 10 x 13 



inches. Photographed by J. K. Hillers, 1886. 



73. Niagara falls, from the American side. Size, 10 x 13 inches. Photographed by 



J. K. Hillers, 1883. 



74. The American portion of Niagara falls, from Goat island. Size, 10 x 13 inches. 



Photographed bj J. K. Hillers, 1886. 



75. 76. The American portion of Niagara falls, from the Canadian side. Size, 10 x 13 



inches. Photographed by J. K. Hillers, 1886. 



77. Falls of the Passaic at Paterson, New Jersey. Edge of first Watchung trap-sheet. 



Size, 5x7 inches. Photographed by N. H. Darton, 1887. 



78. Highgate falls, Vermont. Size, 6x8 inches. Photographed by C. D. Walcott, 



1889. 



79. Falls on Manuel's brook, Conception bay, Newfoundland. Size, 6 x 8 inches. 



Photographed by C. D. Walcott, 1888. 



80. Falls in Black creek, near Gadsden, Alabama. A synclinal stream flowing over 



Carboniferous sandstone with shale underneath. Height of fall, 100 feet. Size, 

 8 X 10 inches. Photographed by I. C. Russell, 1885.^ 



81. Burney falls, Shasta county, California, The upper portion of the falls is over 



basalt and the lower portion over infusorial earth. Size, 8 x 10 inches. Pho- 

 tographed by J. S. Diller, 1885. 



82. Lower falls of the Yellowstone, 308 feet high. Size, 10 x 13 inches. Photo- 



graphed by W. H. Jackson. 



83. Upper falls of the Yellowstone, 112 feet high. Size, 10 x 13 inches. Photo- 



graphed by W. H. Jackson. 



Forms of tilted Strata and residual Dcjwsits. 



84. Triassic sandstone, Garden of the Gods, Colorado. Size, 6x8 inches. Photo- 



graphed by I. C. Pvussell, 1888. 



85. Triassicsandstone, Red valley, an extension of the Garden of the Gods, Colorado. 



Size, 6x8 inches. Photographed by I. C. Russell. 



86. Same as 84. 



87. Jurassic rocks, Como (Aurora), Wvoming. Size, 6x8 inches. Photographed 



by I. C. Russell, 1888. 



88. Monoclinal ridge, Colorado City, Colorado. Triassic and Jurassic. Size, 6x8 



inches. Photographed by I. C. Russell, 1888. 



89. Algonkian rocks in cut on the D. & H. Railway, Putnam station, Washington 



county. New York. Size, 8 x 10 inches. Photographed by C. D. Walcott, 

 1887. 



90. Fields of residual clay near Natural bridge, Virginia. Published in Bulletin 



52, XJ. S. Geol. Survey. Size, 8 x 10 inches. Photographed by I. C. Russell, 

 1885. 



Glacial Phe-iomena of the Sierra Nevada, California. (Photographed by I. C. Russell, 

 summers of 1882 and 1883. Size, 8 x 10 inches.) 



91. Gibb's cafion, from Williams butte. Mono vallev, California, Published in 



Eighth Ann. Rep. U. S. Geol. Survey, pi. XXXIV. 



92. Bloody canon, south of Mono lake, California. 



93. Lake canon, near Mono lake, California. Partially refilled after being glaciated. 



Published in Eighth Ann. Rep. U. S. Geol. Survey, pi. XXXIII. 



