. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. AMERICAN GEOLOGY SURVEYS UNDER HAYDEN. 603 of Cambridge, Massachusetts, accompanied the party for a time, making valuable botanical collections. St. John noted the overturned character of a portion of the Caribou Range and made numerous sections across the Teton Range. Peale noted that in the region of the Blackfoot Basin the structure was that of a series of anticlinal and synclinal folds, the streams sometimes occupying the synclines and
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. AMERICAN GEOLOGY SURVEYS UNDER HAYDEN. 603 of Cambridge, Massachusetts, accompanied the party for a time, making valuable botanical collections. St. John noted the overturned character of a portion of the Caribou Range and made numerous sections across the Teton Range. Peale noted that in the region of the Blackfoot Basin the structure was that of a series of anticlinal and synclinal folds, the streams sometimes occupying the synclines and sometimes the monoclines. Also that there were at least three parallel anticlinal axes having the general direction northwest and southeast. Hayden's twelfth and last annual report, bearing date of 1879 (1883), was issued in the form of two volumes of upward of twelve hundred pages, and included the work of the corps for the field season of 1878 and the office work until the closing up of the survey, work of Hayden in wnich, bv law, took effect June 30, 18T«.». Wyoming, lo7!>. * The headquarters of the survey were at Cheyenne, Wyoming, as in previous years, and but four parties organized. The geological work was under the charge of W. H. Holmes. A. C. Peale, and Orestes St. John, and the pale- ontological work under Dr. C. A. White. Mr. Holmes made a general survey of the park, while Peale, assisted by J. E. Mush- back, was occupied in making detail studies of the geyser and hot-spring localities. The party, with St. John as geologist, surveyed the Wind River Mountains and a portion of the Wyoming and Gros Ventre ranges. The work of the topographic party in the Wind River and Grand Teton re- gions was hampered by their being robbed of all their animals and a portion of their outfit by hostile bands of Indians. During the summer of 1877 Prof. S. H. Scudder, with a party, visited the Tertiaiy lake basin at Florissant and made an extensive collection of fossil insects, the pu
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