National Geographic : 1900 May
ICE CLIFFS ON WHITE RIVER 199 ment of the pupils, is made into the nearer and the more remote causes and effects, especially causes. The results have been a quickening of interest on the part of the pupils, the development of more thorough method on the part of teachers, and the elimination of many features of work which had hitherto tended to debase geography as a study and to blunt the in tellect of the pupil. Self-help through a series of exercises logically related and leading to an independent result is perhaps a good epit ome of the plan that we follow. ICE CLIFFS ON WHITE RIVER, YUKON TERRITORY By C. WILLARD HAYES AND ALFRED H. BROOKS, U. S. Geological Survey The article by Martin W. Gorman on Ice Cliffs on the White River, Yukon Territory, published in the March number of the NATIONAL GEOGRAPHIC MAGAZINE, contains several erroneous statements and unwarranted conclusions on which we want to make some comments, not in a controversial spirit, but entirely in the interest of correct geographic information. It may be stated at the outset that one or both of the writers have examined and mapped the White River from its source to its mouth. In the first place Mr Gorman's distances are incorrect, the length of the White River from where it emerges from the northern lobe of the Russell Glacier to its confluence with the Yukon is approximately 200 miles, instead of " rather more than 300 miles." Instead of "crossing White River about 200 miles above the mouth," the point reached by Mr Gorman could not have been more than 100 miles above the mouth. While* it is undeniably true that the-maps of White River basin leave much to be desired, it seems equally true that Mr Gorman was either unfamiliar with the maps which are available or unable to make proper use of them. It appears likely that the Donjeck River was mistaken for the main trunk of White River, and the latter for the Katrina, an insignificant tributary which enters from the west 70 miles *Compare maps accompanying article entitled "An Expedition into the Yukon District," by C. Willard Hayes, NAT. GEOG. MAG., vol. iv. Also map 10 in "Explorations in Alaska, 1898," U. S . Geol. Survey, 1899.