Power plant for ensilage cutting

Power plant for ensilage cutting. Jornada Range Reserve. File number S3ZGR23. Photo number 25729A. Dona Ana County, New Mexico. United States Forest Service Washington D.C. Black and white images hand painted directly on glass with either transparent oil paints, aniline dyes or watercolors by colorists. Glass lantern slides were sometimes baked after painting to set paint layers.