Organizational, DS, GS, and depot maintenance manual : lubricating and servicing unit, trailer mounted; 16 CMF compressor, gasoline driven, (Gray Company, Inc. mode1 251-437), FSN 4930-892-5067.

"February 1965."

Organizational maintenance repair parts and special tools lists : lubricating and servicing unit, trailer mounted, 15 CMF compressor, gasoline driven, (Gray model 251-437), FSN 4930-892-5067.

"November 1968."

Direct and general support and depot maintenance repair parts and special tools lists : lubricating and servicing unit, trailer mounted, 15 cfm compressor, gasoline driven (Gray model 251-437), FSN 4930-892-5067.

"November 1968."

Changs with Harold Gray

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Harold S. Gray with First Delivery Truck

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Harold Gray at Lake

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Harold Vaughn and Harold Gray

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Don Campbell, Harold Gray, Harold Vaughn

Saline Valley Farms was an experiment in cooperative farming and living begun in 1932 by Harold S. Gray.

Peter Gray and Robin Varian UM Track, 1957

[Ensian caption: "Michigan's great runner Peter Gray passes the baton to Robin Varian as the Wolverines rush through the one-mile relay. These two, along with Laird Sloan and Dick Flodin, proved one of the top relay outfits in the conference."]