"That's what I was thinking of," Hamilton admitted. "How would you get him up there? Take him in a dog-sled the preceding winter? You know a horse couldn't travel on the snow like a dog-team. And if you did get him up to the starting point during the winter, on what would you feed him? Dried salmon? That's all there is, and while it makes good enough dog-feed, a horse isn't built that way. There's no hay-cutting section up there, and your horse would starve to death before you had a chance to ride him. And even supposing that you could keep him alive,--I don't believe you could ride him over the tundra swamps; there is no horse made that could keep his footing on those marshy tussocks." "I see you're right," said Hamilton, "I hadn't thought of all that." The older man continued: "There are horses in the towns of southern Alaska, because, you know, there is one narrow strip that runs a long way south, and there the weather is not severe. But the north is another matter entirely. The pay that you would have to offer in order to lure the men away from the gold-diggings would be enormous. No, it had to be a winter job, and in the Geography section--where I was last year--it took us all our time to estimate satisfactory enumeration districts for Alaska." [Illustration: OVER THE TRACKLESS SNOW WITH DOG-TEAM. Census agents in Alaska starting on perilous journeys in the most severe winter ever known in sub-Arctic regions. (_Courtesy of the Bureau of the Census._)] "The Geography section?" queried Hamilton in surprise. "I hadn't heard of that. What is that part of the census work for?" "To map out the enumeration districts," his superior explained. "That is a most important part of the work. You remember that the enumeration district was supposed to provide exactly a month's work for each man?" "Yes," Hamilton answered, "I know I had to hustle in order to get mine done in the month." "Supposing," said the other, "that all the people that were on your schedule had lived in villages close together, would it have taken you as long to do?" "Of course not," Hamilton replied, "I could have done it in half the time. What delayed things was riding from farm to farm, and they were scattered all over the countryside." "Exactly," Barnes continued, "but I suppose you never stopped to think that the number of people in each district and the nature of the ground to be covered both had to be considered. Then allowance had to be made for the enumeration of those not readily accessible, and for such natural obstacles as unbridged rivers; all these had to be mapped out and gone over by the Census Bureau before the sections were assigned." "No," the boy replied, "I never really stopped to think who it was that made up all those districts. And, now you come to speak of it, I don't see how it could have been done without being on the ground."