Ensilage cutter and underground silo

Ensilage cutter and underground silo being filled with tobosa grass-salt grass and soapweed. Jornada grazing reserve. File number S32GR8. Dona Ana County, New Mexico. United States Forest Service Washington D.C. Same as 25704A-1. 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.