ROCKS. 33 



7. GREY SANDSTONE. 



SEVENTH TABLE CASE. 



Names. Localities, etc. 



1 Roof slate. Rowley's quarry, New-Lebanon, Columbia county. 



2 Slate. One mile west of Hillsdale, Columbia. 



3 Glazed slate. One mile south of Hudson, at the supposed coal mine. 



4 Red slate. Near Kiuderhook, Chatham, Columbia. 



5 Red slate. One mile southwest of Washington-hollow, Dutchess. 



6 Millstone grit. Steel's creek. 



7, 8, 9 Shaly sandstone (with fragments of fossils). 



10 Shaly sandstone (with impressions of Modiolopsis modiolaris). 



11 Shaly sandstone. 



12 Concretionary sandstone. 



13 Gray shaly sandstone. Two and a half miles north of Rome. 

 14, 15, 16 Gray sandstone. Woodruff's, south of Rome. 



17 Greenish glazed slate. 



18, 19 Gray sandstone. Salmon creek, village of Florence. 



20 Gray sandstone. Falls of Stony brook, Redfield. 



21 Gray sandstone. Village of Florence. 



22 Gray sandstone (with water-marked surface). Falls of Salmon creek. 



23 Gray sandstone. West of Oswego village. 



24 Gray sandstone. Woodruff's quarry, south of Eome. 



25 Gray sandstone. Eelow the dam on Mad river, Camden. 

 . 26 Gray sandstone. Dam at Mad river, near Camden. 



27 Gray sandstone. Upper falls of Mad river, Eedfield. 



28 Gray sandstone. Road to Loraine from Redfield. 



29 Gray sandstone. West of Ghent meeting-house, Columbia. 



30 Gray sandstone. Road south of Rome, Oneida. 



31 Gray sandstone. Tippler's quarry. 



32, 33, 34 Gray sandstone (with Strophomena alternata). 

 85 Gray siliceous sandstone (with shaly nodules, and containing galena). 

 20 



