J36 



Annals of the Carnegie Museum. 



to be removed consisting largely of very hard sandstone. Already 

 much good material has been secured belonging for the most part to 

 Morosaurus, Stegosaurus, and Allosaurus. 



In this quarry the bones are for the most part found in a very hard 

 layer of sandstone, though they occasionally extend down for a short 

 distance into the underlying clays. The bone-bearing stratum is 



Fig. 2. View of face of south end of Marsh quarry showing depressed nature of 

 base of sandstone lens. Under the tarpaulin on the left may be seen boxes of fossils 

 ready for shipment. 



about 150 feet above the red Triassic sandstones and the (juarry is 

 located about eighty rods below the house of Mr. Felch at the entrance 

 to Garden Park. It is on the east side of the dry gulch that puts into 

 Oil Creek just below the bridge by which the wagon road crosses that 

 stream and about 1 00 yards above the mouth of the gulch. About thirty 

 feet below this is a second bone-bearing horizon, while in the rather 

 thick layer of clay just below the sandstone of the Marsh quarry are 

 thin seams of limestone with numerous fresh water gasteropods. 

 Across the gulch and about 100 yards above the Marsh quarry, in a 



