"It is quite likely he used his copy of the directions to find the cache, and that he went in the direction specified.

We'll do the same." It did not take them long to find the hackmatack tree, and in doing so they stumbled upon the pile of rocks Jamie had built up for a compass rest.

It was covered with snow, but was high enough to be discernible, and a careful clearing of the snow discovered the fact that the stones had been recently piled.
"They may have been piled by the man who made the cache," suggested Doctor Joe.
"He'd never been doin' that!" objected David.

"'Twould make the tree too easy to find.

I'm thinkin' 'twere Jamie piles un." "What would Jamie be pilin' the stones for now ?" asked Lige sceptically.