“What do you think will be the first move? Did you hear anything definite?”

“No, sir, and I haven’t any idea what they’ll do. Anything is likely to happen!”

“Then the only thing to do is to put on extra watchmen and keep a sharp lookout for trouble among the Mexicans. I’ll see to it at once.” He started up as if to go out. Then, remembering Bob, he said, “You’ve done good work, Hazard. Sorry I was so grumpy when you came in. Take the remainder of the day off and rest up.”

“Thank you, sir,” the boy answered, “but I couldn’t sleep now. There’s too much excitement around!”

With this they left the office, Taylor to see that all preparations were made to forestall any attack, and Bob to take up the work Mr. Whitney had left for him to do.

The day and night passed quietly, but the next morning the mess room of the Quarter-house was in a turmoil. News had come in that a gang of Mexican bandits had made a raid on Columbus, killing and wounding many Americans. This report was unconfirmed but rumors flew thick and fast. Some had it that it was the army of Carranza and others that it was merely an unorganized deed of a rash bandit. Most of the men thought it was Villa.

When Bob heard the news he immediately connected Mr. Whitney’s prolonged absence with it. The Chief was not back and in all probability he had remained to talk over the best manner of protecting Government property from any mishap. The raid was so daring that it showed the possibility that others might follow and the dam was near enough the border to be in actual danger. Bob realized that in all probability this was just what the cattlemen wanted; that it might mean intervention. Especially so if more outrages took place at once.

All during the day he worked with a cloud of apprehension hanging over him. But nothing stirred. The Mexicans at the noon hour broke up into groups and talked excitedly, but as far as Bob could see they did their work without any friction with their bosses, and under Mr. Taylor’s generalship the whole job moved smoothly.

But there was something wrong in the air. The very calm itself seemed unhealthy, and Bob was glad when nighttime came. He noticed that Mr. Taylor had again put on the extra force of watchmen, as he had planned, all of whom were Americans. This had been done quietly and passed without comment from the Mexicans.

However, just before the quitting whistle blew, Bob happened to be near the spot where the Indians were excavating. He took this opportunity to go up to Feather-in-the-Wind who was directing his men. Ostensibly he asked something regarding the work but it was only to give the Indian a chance to convey any message he might have. The Apache did have something to say.