Measured By H.G. O'Connor and J.M. Jewett, July 1952; Shale, weathered,Limestone, gray, brecciated, algal,Shale, gray,Mudstone, ashy-gray, dense (grades into),Shale, ashy-gray, brecciated and laminated, part weathers as "boxwork" base, hard or grades into,Limestone or mudstone, ashy-gray, dense (grades into),Shale (Roca), gray, blocky, limy, hard (grades into),Shale (Roca), brownish-gray, limonitic, stained, somewhat micaceous,Mudstone, calcareous, gray, non-laminated,Shale, yellow-green, black,Limestone (Howe), purplish "oolitic," foraminiferal (?) high spired snails,Shale, gray clayey at top, limy and hard below,Limestone, brown, crystalline, red quartz, and colorless calcite. Upper part more massive and resistant. Locally color [...]
