Re: “K. Dale/ 10/27/28” on the rock shelter wall.
This might be your man. He is buried in Big Meadow Cemetery in Lovelock, Pershing County.
“Rights Held for Kenneth D. Dale
Lovelock, Nov 29 
Funeral services were held Friday at the Methodist church for the late Kenneth D. Dale, 46, Rev. Lewis Whitehead officiating.
Well known in Pershing county as a mining man. Dale died at Henderson. He was born in California, the son of Mrs. J.R. Gill of Lovelock. He was married to Miss Winfield Hanson in December, 1936, and they made their home in Las Vegas. He is survived by his wife , his mother, and a sister, Mrs. Helen Barnes.”
He died of T.B.
Geologyjohn trying on a different “olg” hat (genealogy).
Thanks for the adventure.
How cool, Geologyjohn! Thanks for your research. Where the site is located prompted my guess that he was a rancher. Good job, fellow "ologist."