"Hope there's some letters for us," said Bob. "Got much mail, Dugan?"
"Ain't it easy ter wait an' see?" growled Bill, as he flung the bag on the counter.
"One for Somers," said the postmaster, presently; "you too, Travers."
Dick glanced at his curiously.
"Wonder what the dickens this can be, fellows?" he said, as he saw on the outside of the envelope the name of a famous natural history museum in the East.
"One way to find out is to open it," suggested Dave.
Dick did so, and spread out a formidable-looking letter.
"Great Scott! Look at this, fellows," he cried.
His interested chums read the following:
"Mountain Village, Oregon.