Were it possible, by some such mental foreshortening as that by which the wizards of the screen compress a life into a minute, for imagination to hasten this progress into the compass of a few hours, how overwhelming would be the spectacle! How tremendously would loom this advancing edge, which at first we may conceive as having enormous thickness! How it must have cracked, crumbled, and fallen in frequent titanic crashes as it moved forward. It does not need the imagination of Doré to picture this advance, thus hastened in fancy, grim, relentless as death, its enormous towering head lost in eternal snows, its feet shaken by earthquakes, accumulating giant glaciers only to crush them into powder; resting, then pushing forward in slow, smashing, reverberating shoves. How the accumulations of all periods may be imagined crashing together into the depths! Silurian gastropods, strange Devonian fishes, enormous Triassic reptiles, the rich and varied shells of the Jurassic, the dinosaurs and primitive birds of Cretaceous, the little early horses of Eocene, and Miocene's camels and mastodons mingling their fossil remnants in a democracy of ruin to defy the eternal ages!

It all happened, but unfortunately for a romantic conception, it did not happen with dramatic speed. Hundreds, thousands, sometimes millions of years intervened between the greater stages of progress which, with intervening lesser stages, merged into a seldom-broken quietude such as that which impresses to-day's visitor to the mountain-tops of Glacier National Park. And who can say that the landscape which to-day's visitor, with the inborn arrogance of man, looks upon as the thing which the ages have completed for his pleasure, may not merely represent a minor stage in a progress still more terrible?

The grist of Creation's past milling has disappeared. The waters of heaven, collected and stored in snow-fields and glaciers to be released in seasonal torrents, have washed it all away. Not a sign remains to-day save here and there perhaps a fragment of Cretaceous coal. All has been ground to powder and carried off by flood and stream to enrich the soils and upbuild later strata in the drainage basins of the Saskatchewan, the Columbia, and the Mississippi.

It is probable that little remained but the Algonkian shales and limestones when the Ice Age sent southward the first of its three great invasions. Doubtless already there were glaciers there of sorts, but the lowering temperatures which accompanied the ice-sheets developed local glaciers so great of size that only a few mountain-tops were left exposed. It was then that these extraordinary cirques were carved. There were three such periods during the Ice Age, between which and after which stream erosion resumed its untiring sway. The story of the ice is written high upon Glacier's walls and far out on the eastern plains.

IV

Into this wonderland the visitor enters by one of two roads. Either he leaves the railroad at Glacier Park on the east side of the continental divide or at Belton on the west side. In either event he can cross to the other side only afoot or on horseback over passes. The usual way in is through Glacier Park. There is a large hotel at the station from which automobile-stages run northward to chalets at Two Medicine Lake, the Cut Bank Valley, and St. Mary Lake, and to the Many Glacier Hotel and chalets at Lake McDermott. A road also reaches Lake McDermott from Canada by way of Babb, and Canadian visitors can reach the trails at the head of Waterton Lake by boat from their own Waterton Lakes Park. Those entering at Belton, where the park headquarters are located, find chalets at the railroad-station and an excellent hotel near the head of Lake McDonald. There is also a comfortable chalet close to the Sperry Glacier.

To see Glacier as thoroughly as Glacier deserves and to draw freely on its abundant resources of pleasure and inspiration, one must travel the trails and pitch his tent where day's end brings him. But that does not mean that Glacier cannot be seen and enjoyed by those to whom comfortable hotel accommodations are a necessity, or even by those who find trail-travelling impossible.

Visitors, therefore, fall into three general classes, all of whom may study scenery which quite fully covers the range of Glacier's natural phenomena and peculiar beauty. The largest of these classes consists of those who can travel, or think they can travel, only in vehicles, and can find satisfactory accommodations only in good hotels. The intermediate class includes those who can, at a pinch, ride ten or twelve miles on comfortably saddled horses which walk the trails at two or three miles an hour, and who do not object to the somewhat primitive but thoroughly comfortable overnight accommodations of the chalets. Finally comes the small class, which constantly will increase, of those who have the time and inclination to leave the beaten path with tent and camping outfit for the splendid wilderness and the places of supreme magnificence which are only for those who seek.

The man, then, whose tendency to gout, let us say, forbids him ride a horse or walk more than a couple of easy miles a day may, nevertheless, miss nothing of Glacier's meaning and magnificence provided he takes the trouble to understand. But he must take the trouble; he must comprehend the few examples that he sees; this is his penalty for refusing the rich experience of the trail, which, out of its very fulness, drives meaning home with little mental effort. His knowledge must be got from six places only which may be reached by vehicle, at least three of which, however, may be included among the world's great scenic places. He can find at Two Medicine, St. Mary, and McDermott superb examples of Glacier's principal scenic elements.