Cache Creek, name of, 70. Calcareous Springs in the Y. N. P., 173. California, discovery of gold in, 39, 100. Camas Creek, Battle of, 116. Camping in the Y. N. P., 205. Canadian National Park, 97. Canadian Niagara Park, 97. Cañon Hotel, 253. Capes of the Y. Lake, 336. Carpenter, Frank and Ida, members of Radersburg tourist party, 112. experiences of, with Nez Percés, 117-19. Carpenter, R. E., Fourth Superintendent Y. N. P., 136. removed from office, 136. Cascade Creek, 180, 253. Castle Geyser, 167, 230. Cathedral Rock, 215. Catlin, George, biographical sketch of, 87-8. Indian Gallery of, 88. originates Park idea, 89. quoted, 88-9. Chittenden, Lieutenant, H. M., measures height of Upper Fall, 326. Chouteau, Valle & Co. buy out Astor, 35. Clagett W. H., his work for Park bill, 92, 94. Claimants for credit of originating Park idea, 90. Clark's Fork Mining District, 264. Clark, Wm., gives names to Y. Lake and Jackson Lake, 24. mentioned, 5, 21, 22. receives information from Colter, 27, 31. Cleopatra Spring, 214. Climate of the Y. N. P., 189, 198. Coast and Geodetic Survey, monument of, near Y. Lake, 248. Cold-water geyser, 48. Cole, Senator, remarks of, on Park bill, 94. Colfax, Schuyler, signs Act of Dedication, 346. Color of rock in Grand Cañon, 253. water in Hot Springs, 172, 213. Colter, John, adventure of, with the Blackfeet, 28-31. character of, 21. declines to join the Astorians, 31. discovers Grand Cañon of the Y., 27. discovers Jackson Lake, 24. discovers Mammoth Hot Springs, 26. discovers Tar Spring on the Stinkingwater, 23. discovers Y. Lake, 24, 27. gives Clark information, 31. marries, 31. receives discharge from Lewis and Clark, 20. returns to St. Louis, 31. whereabouts of, in winter of 1806-7, 22. "Colter's Hell," 28, 31. "Colter's River," 26. "Colter's Route in 1807," 25-7. Comet Geyser, 230. Commission to examine into grievances of Nez Percé Indians, 114, 115. Comstock, T. B., member of Captain Jones' party in 1873, 105. Comstock, T. B., his theory of geyser action, 166. quoted 342, 343, 344. Conant Creek, trail along, 12, 24. Cone Geysers, 167. Conger, P. H., Third Superintendent of Y. N. P., 131. resigns, 136. Congress abolishes civilian police force in Park, 137. Congress Geyser, 220. Congressional Reports on Y. N. P., 141. Constant Geyser, 220. Continental Divide, 151, 238. Cook, C. W., Member of Folsom Party in 1869, 73. Cooke City, 264. "Corduroying" on snow-shoes, 195. Cost of visiting Y. N. P., 274. Cowan, Mr. and Mrs. George F., members Radersburg tourist party, 112. experiences of, with Nez Percés, 118-120. re-visit Park, 120. Craig Pass, 238, 338. Cretaceous Period in Y. N.