Measured By J.M. Jewett, 8/4/1939; Upper Altamont, weathered,Shale, poorly seen, some black phosphatic concretion,Limestone, irregular top, granular fossil fragments, thin beds, gray,Shale, gray & flaky,Limestone; light color, +/- massive, light gray, slightly crystalline, many crinoid fragments in upper part, weathers nodular & brecciated,Slight shale break,Limestone, light gray; crystalline, thin bedded, shaly, def but irregular contact below,Shale, gray-yellow limonitic,Sandstone, thin bedded, shaly, buff, part massive, fine grained, micaceous, laminated,Description for lower section: Altamont is thicker in this areal than this section indicates, as full thickness of upper not seen. Bandera makes sandy soil below,