"HEADQUARTERS OF THE ARMY, } "WASHINGTON, D. C., _July_ 18, 1866. } "Commanding officers will, on the requisition of Gen. Rusling, furnish the necessary escorts to enable him to make the within directed inspections. "By command of Lieut.-Gen. Grant, "GEO. K. LEET, "_Ass't. Adj't.-Gen._" The general object of this tour, perhaps I should explain, in a word, was to examine into the condition of our various depots and posts West, and consider their bases and routes of supply, with a view to reducing if possible the enormous expenditures, that then everywhere prevailed there. How well or ill _this_ was accomplished, it is not for me to say, nor is this volume the place--my Reports at the time speaking for themselves.[1] The route thus roughly indicated was long, and in parts reputed dangerous; but for years I had cherished a desire to see something of that vast region in the sunset, and here at length was the golden opportunity. I need scarcely say, therefore, that I obeyed my orders with alacrity, and in the execution of them was absent in all about a twelvemonth. During that period, crossing the continent to San Francisco, among the Mountains, along the Pacific Coast, and thence home by the Isthmus, I travelled in all over 15,000 miles, as per accompanying Map; of which about 2,000 were by railroad, 2,000 by stage-coach, 3,000 by ambulance or on horseback, and the remainder by steamer. This book, now, is the rough record of it all, written at odd hours since, as occasion offered. Much of this journey, of course, was over the old travelled routes, so well described already by Bowles, Richardson, Nordhoff, and others. But several hundred miles of it, along and among the Rocky Mountains, a thousand or so through Utah and Idaho, and perhaps two thousand or more through Southern California and Arizona, were through regions that most overland travellers never see; and here, at least, I trust something was gleaned of interest and profit to the general reader. Moreover, my official orders gave me access to points not always to be reached, and to sources of information not usually open; so that it was my duty, as well as pleasure, to see and hear as much of the Great West and the Pacific Coast everywhere, as seemed practicable in such a period.