"That's exactly what I was going to say," said George. "You took
the words right out of my mouth. You did it so that you wouldn't
have to pay for the dinner to-morrow. I guess every one of us
knows where the Panama Canal is."

"All right," said Grant. "I'll take your word for it, if you'll
tell me how long it is."

Again there was silence among the Go Ahead boys as they glanced
foolishly at one another.

"Of course every young American is sure to know such simple facts
as that," said Grant condescendingly, "but for my own
satisfaction, I am willing to state that it is exactly fifty and
one-half miles long."

"How deep is it?" said Fred sharply.

"It is about forty-one feet," answered Grant promptly. "Of course
in the lakes it is deeper than that and it is from three hundred
to six hundred and forty-nine feet wide. Why, I don't believe,"
he continued, "that some American boys I happen to know although
they passed right through it, could tell me how long the Sault
Ste. Marie Canal is. I have a dim suspicion too that they don't
know what it connects."

"I know that," said George. "It connects Lake Superior with St.
Mary's River and Lake Huron."

"I'm glad you're right once in your life," said Grant. "Now tell