This print of some cowboys and horses taking
a break in the shade, appeared in a 1975 Artists of the
West calendar by Western Horseman Magazine.
Sizes I have found:
6 1/2 x 8 1/4 inches
From a 1967 painting titled: Shaded Up
Oil on canvas, 16 x 20 inches
The original painting was offered at Sothebys
New York Auction, December 1, 1994, titled Papago Rancho.