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fossil Inoceramus south of camp is up to 10 ft. deep and very narrow, so narrow in places as to make very difficult walking and sides too nearly vertical to be scaled. Little Beaver Creek below camp has a channel about 8 feet deep and same width at top, about 2 feet to 4 ft. wide at bottom, and cannot be seen until close to it. Small wallows along its banks furnished our firewood. Lack of igneous and granite boulders in the stream debris is noticeable, showing that the stream flows only through sedimentaries. Upon reflection I am sure th upper sandstone horizon underlaid by black shales is the same one we searched at the dome east of Meeker a week or more ago, and is lower Mancos.