GLACIAL FEATURES OF ALASKAN COAST Azan 
tenths of a mile longer than at present, and simultaneously probably 
several hundred feet thicker. This expansion is clearly recorded by 
a bowldery moraine which encircles the mouth of the canyon and is 
attached to the rocky walls on either side by a gradually diminishing 
lateral moraine, or moraine-terrace, which now stands at a consider- 
able elevation above the glacier. The abandoned space inside the 
moraine is a bowldery waste devoid of vegetation. The outer part of 
the moraine itself, however, is forested with spruce, and its hummocky 
topography is thereby obscured. 
The little cliff-glaciers of this valley which have been mentioned 
are of various sizes and are about four in number. ‘Three of these 
occupy the southern slope of Crescent Mountain.t They are steep, 
cascading glaciers which are plastered in the heads of the shallow 
gulches. The fourth, which lies upon a gentler slope south of the 
Moser Glacier, is irregular and roundish in outline. It is note- 
worthy that no glaciers exist on the northeast slope of Slate Peak.? 
The next valley to the eastward, drained by another branch of the 
Ahrn-klin River, contains one glacial lobe and several little snow- 
bank glaciers. Its cirque affords an ample gathering ground for 
snow, and is separated from the head of the Moser Glacier on the 
west by a sharp arrete. The tongue of ice itself is somewhat longer 
and narrower than its neighbor, being about 21 miles long and about 
one-fourth of a mile wide. The lower end is black with moraine- 
stuff, and frequent avalanches from the steep walls of the canyon 
keep the sides dirty with similar débris. 
The Miller Glacier appears to have a surface much like that of its 
western neighbor, but even less crevassed. It shows no evidence 
of recent advance and is not surrounded by a distinct moraine. 
Miller Creek issues from the end of the glacier and flows over a barren, 
gravelly valley-train out to the foreland. 
The little cliff-glaciers of this canyon are few in number. We 
noted but one on the west side of the valley, and that at an elevation 
of 3,000 feet. On the east side three or four little bodies of ice occupy 
hollows in the lee of the mountain crest. 
t So named from the crescent-shaped syncline of gray rock visible in its summit. 
It lies immediately north of the Moser Glacier. 
2 In 1906 Mr. Thomas Riggs, Jr., applied this name to the peak which separates 
the Beasley Glacier from the Moser valley. 
