Top of poster has a map shaded in different colors corresponding to various environments. At the bottom of the poster is a color illustration of a terraced landscape, with each terrace level labeled in black. At the top left of the image is "Jug Handle Ecological Staircase / California State Reserve - A Registered National Landmark / One Million Years Of Preserved Ecological Evolution On Five Wavecut Terraces / Aerial Photo Survey Of Bio-Communities-Legend On Reverse" in black. Poster verso has black text and color illustrations. At the top is the title "Jug Handle/Mitchell Creek Staircase" with an illustration of a terraces landscape. At the left is a map of terrace distributions along the Mendocino coast and a hypothetical Pleistocene terrace formation. At the right are identified plants and animals around an illustration of the movement of sand across the earth. At the bottom right is the legend.