Unit no 12 = UNIT 15 IN SEC 8426 Thickness(cm) 1520 3300 Description Coal with numerous petrified tree trunks and soil lenses. Stonewood forest level (Stone garden) Yellow weathering ironstone rich sands. Carbonaceous and coal rich at base, becoming more sandy up section with lithified (Fe cement) coarse sand lag layers Fossil leaves loc. 8421 Cercidiphyllum Platanus rayboldi Equisetum Mehseguiera Schizale Stevensii This sand becomes much thicker to the west and is the Ketchikan sand visible in the cliff face. Vertebrate locality #7 Coryphan bone Turtle possible Camnode jaw