One Day at Teton Marsh by Sally Carrighar, illustrated by George & Patritia Mattson, Alfred Knopf, 1947, stated first edition. This book is in very good condition, the book jacket is somewhat worn on the edges & has a round blue label on the spine which can be removed. (I will cover dust jacket with mylar prior to shipping). The endpapers are a map of Teton Marsh, Jackson Hole, Wyo. The woodcuts are absolutely gorgeous. This book describes in detail Teton Marsh of Jackson Hole, Wyoming. The contents include: The Otter, The Cutthroat Trout, The Osprey, The Mosquito, The Scud, The Mink, The Varying Hare, The American Merganser, The Moose, The Clepsine Leech, The Leopard Frog, The Physa Snail, The Trumpeter Swan and The Beaver.