514 HARRY FIELDING REID 



at the various stations are different, so that it is not safe to draw 

 any detailed conclusions about the snowfall in the mountains from 

 the records at the stations; though the general trends are the same. 

 The annual snowfall at Killisnoo, somewhat more than one hundred 

 miles southeast of Muir Glacier, between 1891 and 1896 was about 

 twice as great as it has been since then; but the glaciers do not show 

 corresponding variations. Temperature records have been kept 

 at Sitka, with two short intermissions, since 1828. The average 

 temperature for the five months from May to September in the 

 years 1828-77 and in the years 1906-13 differs by only one-tenth 

 of a degree Fahrenheit. The average temperature at Juneau for 

 the same months during the years 1906-13 is about 2 F. higher than 

 during the years 1883-96. It does not seem possible to infer any 

 definite relations between temperature and glacier variations from 

 these records. 



The United States Geological Survey has published a map of a 

 portion of the Chugach Mountains, northeast of Prince William 

 Sound, on a scale of about one inch to the mile (Port Valdez District, 

 Alaska; sheet 602 B). It shows a large area of glaciers and snow- 

 fields. Parts of the Columbia, Shoup, and Valdez glaciers appear 

 on it. Unfortunately the contours are not carried over the glaciers, 

 but the altitudes of a number of points are indicated so that marked 

 future changes in the thickness of the ice will be determinable. 

 Other new maps of Alaskan glaciers cover the Haganita-Bremner 

 region, northeast of the Copper River Canon, 1 the Bering Glacier, 

 and the western border of the Malaspina Glacier at Icy Bay, 2 and 

 part of the Kenai Peninsula. 3 An excellent topographic map, on 

 the one-inch scale, showing all the glaciers and their relations to the 

 mountains and rivers, accompanies M. C. Campbell's Popular 

 Guide to the Glacier National Park. A Pamphlets containing popular 

 accounts of the glaciers of Mount Rainier and of Glacier National 

 Park have been issued by the Department of the Interior. 5 



1 Bull. U.S. Gcol. Surv. No. 576, Plate I. 3 Ibid., Plate VIII. 



2 Bull. U.S. Geol. Surv. No. 592, Plate IV. < Bull. U.S. Gcol. Surv. No. 600. 



5 Mount Rainier and Its Glaciers, by F. E. Matthes; Glaciers of Glacier National 

 Park, by W. C. Alden. 



