Photos from the Civilian Conservation Corp project to run phone lines up Palomar Mountain in the 1930's.

Thanks to Paul J. Kelso for scanning and mailing the images.

A mountain road leading to the summit.

The mostly-completed 200-inch dome.

Base camp for the telephone crew.

The compressor used for powering the drills.

Drilling holes for the dynamite.

Packing in the dynamite.

Dangerous!

A bunch of guys. Mineral survey team?

Installing a pole.

Installing another pole.

Installing yet another pole.

Lyle J. Kelso and friends. Lyle is standing in the back row of photo, wearing a light colored hat with a dark band.