)2-] 



PROSSER THE GENESEE SECTION. 



6i 



NO. OF 

 SAMPLE. DEPTH. 



DESCRIPTION OF 

 SAMPLE. 



70. 1255'. Light gray, fine grained sandstone mixed 



with greenish-gray shale. 



71. 1270'. Mainly slightly darker gray sandstone 



with some shale. 



72. 1285'. Mainly slightly brownish-gray, fine 



grained sandstone, with a little shale. 

 Fragments of fossils. (Stray sand of 

 Mr. Hatch.) 



73. 1300'. Very fine chips of the brownish-gray 



sandstone. 



74. 1315'- Ditto, only larger chips with small frag- 



ments of fossils and some shale. 

 75- ^33°' Clear sample of brownish-gray sandstone. 

 Fragments of fossils (?). 



Sandstone with some arenaceous shale. 



Brownish-gray sandstone with a little 

 shale. Duplicate of No. 75. (Top of 

 gas sand of Mr. Hatch.) 



Ditto, with very little shale. Fragments 

 of shells (?). 



Brownish-gray sandstone mixed about 

 equally with greenish-gray shale. Frag- 

 ments of fossils. (Bottom of gas sand 

 of Mr. Hatch.) 



80. 1393'. Greenish-gray, argillaceous shale. 



81. 1404'. Ditto, with slightly brownish-gray sand- 



stone. 



82. 1415'. Mainly slightly brownish-gray, fine 



grained, micaceous sandstone. A little 



greenish-gray, argillaceous shale. (Top 



of oil sand of Mr. Hatch.) 

 1428'. Ditto. 

 1441'. Some of the brownish-gray sandstone, 



but more of the greenish-gray shale. 



(Bottom of the oil sand of Mr. Hatch.) 



Bottom of well. 

 The facts brought out by the above record may be 

 the following concise diagrammatic form. 



'='6' 

 84. 



THICKNESS 

 OF STRATA. 



30'lightgray 



sandstone. 



108' mainly 



brownish 

 gray sand- 

 stone. 



22' shale. 



26'brownish- 



gray 



sandstone. 



expressed in 



