Stan found a folded paper between two flat stones.
"Here's their location notice," he said.
He started to unfold it; a word caught his eye and his jaw dropped.

He held the notice over, half opened, so that Pete and Joe could see the last paragraph: And the same shall be known as the Bobby Carr Mine.
WITNESSES Jim Scarboro William Dorsey Eric Anderson C.Mayer Zurich LOCATORS Peter Wallace Johnson Stanley Mitchell "Zere is a note," said Joe; "I see eet wizzinside." Stanley unfolded the location notice.

A note dropped out.

Pete picked it up and read it aloud: Pete: We did not know about the boy, or we would have helped, of course.
Only for him you had us beat.

So this squares that up.
Your location does not take in quite all the hill.