Thad was looking up at the sky occasionally.

"Seem to be some clouds gathering?" remarked Allan, noticing this action
on the part of the pilot of the expedition.

"Yes, but then they may not mean anything; though I've been told that
storms do come up very suddenly around here. May be something about
this big body of fresh water that brings that about, for the sun must
draw heaps up from Old Superior every hot day."

"I reckon, now, you're aiming to get to that cove you marked on the
chart, so's to have a snug harbor for the night," Allan went on to say.

"Just what I am," the other admitted; "this lake is a bit too big for us
to think of anchoring out, and taking chances. A storm is bad enough in
daytime when you can see around you; but it must be terrible in the
pitch darkness."

"Excuse me, if you please," spoke up Step Hen, who had been listening to
all the others said. "I hope there are aplenty of them same snug
harbors; for a boat the size of ours to drop in and stay overnight."

"That's just the trouble about cruising on Superior," said Thad, "and
especially along the American shore, because there are few rivers that
empty into the lake. Up along the Canadian side it's different, because
there are some fine trout streams that extend from White Fish Bay along
toward old Fort William."

"I'd like to see that last place," spoke up Davy, "because I've heard