work. Do you girls follow me as far as I
have explained?"

"Oh, yes, it's clear as day," replied Eleanor, impatiently.

"Do you grasp the thing, Polly?" asked John.

"I don't understand anything about stocks and corporations but I do
understand what Tom has said, so far," returned Polly.

"Well, then, all right; I'll proceed," said Tom.

"When I first visited at Pebbly Pit with John, I saw the wonderful
colored stones of Rainbow Cliffs and begged Mr. Brewster to allow me to
send on samples of them to father, as I was sure they were just what Dr.
Evans sought for his machine to cut. But I could not make my friend,
here, see any advantage in adding more money to his bank account. So I
had to leave without having won my plea.

"But I wrote father and told him all about the great store of unmined
stones located in plain view at the Cliffs. Later, when the injunction
stopped all progress in the work, I almost forgot Rainbow Cliffs again.

"But now that the 'Evans Jewel Cutter' is protected, and the owners are
looking for material to manufacture, the Rainbow Cliffs are in the
foreground again for negotiation.

"Then came the surprising telegram from Oak Creek, informing John about
the gold mine claimed by Polly. As we were told to reach Oak Creek
without delay, we started without sending word to the folks at home
about our leaving our summer work. And now this is what we have planned
regarding Choko's Find.

"If father's firm, Mr. Brewster, and all the friends everywhere, could
scrape together all the money they had, it would not be sufficient to
carry out the work at Choko's Find. The conditions are such that every
precaution must be taken to avoid, in the future, any danger from new
land-slides. The lay of the land where the gold is hidden, is such that
the vein may not run deep into the mountain--it may be merely a surface
deposit in the cave. In this case, the real vein may be hidden so deep
that it would need the boring down into great depths to find the metal.
All this will take time and money.

"That means that Polly and Eleanor will have to sacrifice the greater
interest in their mine to secure capital with which to work it. Or they
can sell the claim for cash--or they can arrange to be paid a royalty on
all the ore metal mined. Where it is possible, it is always best to
retain a controlling share of stock in the company formed.

"John and I have pictures on hand and plans and engineering reports of
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