To maintain perspective, I am beginning my story by sketching in a few high lights from my earlier jaunt to the sources of the Yellowstone. I saw things then that few have had the opportunity to see since, just as I embarked lightsomely on several little enterprises that I have neither the nerve nor the wind to attempt today. Also, I had fairly intimate glimpses in the course of that delectable interval of vagabondage of several notable frontier characters whom no present-day wanderer by the ways of the Yellowstone can ever hope to meet. The priceless "Yankee Jim" was inextricably mixed up with my rattle-headed attempt to flounder through the canyon to which he had given his name. He really belongs in the picture. "Calamity Jane" is more of an exotic (to shift my metaphoric gear), so that the chapter I have devoted to the most temperamental lady of a tempestuous epoch will have to be its own justification. Frequent historical allusions will be found in the pages of the narrative of my later down-river voyage. I am sorry about this, but it couldn't be helped. History-makers have boated upon, and camped by, the Missouri for a hundred years, just as the Mississippi has known them for thrice a hundred. Most of the things that path-finders leave behind them are imponderable. In the thousands of miles between the mouth of the Missouri and the mouth of the Columbia a few practically obliterated scratches on a rock in Montana are all that one can point to as left by the Lewis and Clark expedition; yet memories of those two lurk in the shadows of every cliff, spring to meet one across the sandy bars of every muddy tributary. And so with all who came after them, from Hunt and his trapper contemporaries on down to Custer, "Buffalo Bill" and Sitting Bull. And so on the Mississippi, from Marquette and La Salle to Grant and Mark Twain. You can't ignore them, try as you will; that is, if you're going to write at all about your voyagings. I've done the best I could on that score. For the rest, I have written freely of rivers and mountains, of adventure and misadventure, and somewhat of cities and towns; much of men and little of institutions. In short, I seem to have picked on about the same things that a commuter on his summer vacation would choose to write of to a fellow-commuter who has staid at home. I only hope that my view-point has been half as fresh. CONTENTS PART I PAGE I The Yellowstone in Winter 1 II Ski Snaps 10 III High Lights and Low Lights 24 IV Running Yankee Jim's Canyon 54 V "Calamity Jane" 77 PART II I Present Day Yellowstone Park 97