7111 Civille section of 10-2, Edgemont sw quad Sheldtan x to 4' With few scattered large free pieces concs silt bznus local Collignonicus +5 layers in what look like wash layers and pockets 10-2A =D1615 2.0± Thin bedded siltstone. 0.1± Bentonite 4.5 Dark gray silty sh. with silt pebbles, one or more layers small (8-10 i.d.) pebby head to splitty lst concs local Collignonicus. Locally at base silt masses thru'd w/ concs loc. 10-2B 1.0 Thin bedded siltstone 0.3 Bentonite 5.6 Grey to dk gray Silty sh, silt ptucks some pebby concs lower foot and local grey pebby mass conc sit up to 3' thick. 17