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friable, impure sandstone, irregularly bedding, dipping E 12˚ and in passing N changing to NE 20˚, thus passing under the typical Fossil Ridge sandstone E of the reservoir. Proceeding E along the ditch bank half way to the Fossil Ridge sandstone, found impure sandy shale all the way dipping NE 18˚ to 20˚. Going W and N around head of Douglas Reservoir No. 10 is a typical massive sandstone with a tendency toward greenish gray color, containing hard and darker concretions just as at Fossil Ridge. Fossil less numerous than further south and consist only of Halymenites major , Inoceramus barabini , Callista deweyi , Anomia rectiformis , and Cardium speciosum . Collected