course to mark in this manner the way from each more trustworthy water-hole to the next, be they reservoirs or furtive streams which bubbled up and crept along to die not far from their hopeful springs, sucked up by palpitant air and swallowed by greedy sands, their burial places marked by a shroud of encrusted salts. In the winter and spring an occasional rain filled hollows, ofttimes coming as a cloudburst and making a brave showing as it tumultuously deepened some arroyo and roared valiantly down it toward swift effacement. The trail was staked, if not by the swarthy traders, then by their red-skinned brothers, and from this line of stakes the tableland derived its name, and became known to men as the Lano Estacada, or Staked Plain.
Of this accursed desert no one man had full knowledge, nor thirsted for it if it were to be had only through his own efforts. There were great stretches unknown to any man, and there were other regions known to men who had not brought their knowledge out again; and what knowledge there was of its south-central portions was not to be found in men with white skins, but in certain marauding redmen fitted by survival to cope with problems such as it presented, and to live despite them. One other class knew something of its mysteries, for among the Mexicans there were some who had learned by bitter pilgrimages, but mostly from the mouths of men long dead who had passed the knowledge down successive generations, each increment a little larger when it left than when it came, who had a more comprehensive, embracing knowledge of the baking tableland; and these few, because what they knew could best be used in furtive, secretive pursuits
