244 BULLETIN 42, UNITED STATES NATIONAL MUSEUM. 



(10) Dark greenish. From the third Bradford sand. Association Well, McKean 

 County, Pennsylvania. (59484.) 



(11) Dark greenish. McKean County, Pennsylvania. (59725.) 



(12) Dark greenish, specific 'gravity on sample collected March, 18^5, 46° Baum6. 

 Oil in sand, here 45 feet in thickness; depth of well 1,405 feet; drilled 1882; tor- 

 pedoed ; yelded 100 barrels of oil on first day of How. Well No. 5, F. W. Mitchell's 

 Lease, Duke Centre, McKean County, Pennsylvania. (5977.3.) 



(13) Dark greenish, specific gravity 48 Banui<^. Oil in sand; depth of well 2,337 

 feet. Well No. 1, Lot 3767, Wetmore, McKean County, Pennsylvania. (.59809.) 



(14) Dark greenish red. Oil in sand; depth of well about 1,000 feet; drilled 

 1882; torpedoed; yielded 20 barrels of oil on first day of flow. Farm of Silas Rich- 

 ardson, Congdon, McKean County, Pennsylvania. (59823.) 



(15) Dark greenish red. Weed Farm, Kiuzua, Warren County, Pennsylvania. 

 (.59513.) 



(16) Light greenish red. Moore &, Co.'s well No. 1, Mead, Warren County, Penn- 

 sylvania. (59515.) 



(17) Dark greenish, specific gravity 48^ Baum(S. Well No. 646, Warren County, 

 Pennsylvania. (59740.) 



(18) Dark greenish red, specific gravity on sample collected August, 1885, 4.5° 

 Baum^. Oil-bearing sand here 70 feet in thickness; depth of well 780 feet ; drilled 

 1877; torpedoed; yielded 10 barrels of oil on first day of pumping. Well No. 1, 

 farm of E. M. Lacy, Glade, Warren County, Pennsylvania. (59759.) 



(19) Dark greenish red, specific gravity on sample collected August, 1885, 48° 

 Baum^. Oil-bearing sand here 20 feet in thickness; depth of well 1,630 feet; 

 drilled 1882; torpedoed. This is the famous " Mystery Well" that caused a decline 

 in the market to 50 cents per barrel. Yielded 2,500 barrels on first day of flow. 

 Grace or -'Mystery Well " Cherry Grove, Warren County, Pennsylvania. (59762.) 



(20) Black, specific gravity 49*-' Baum^. Oil-bearing sand here 15 feet in thick- 

 ness; depth of well 1,0.50 feet; drilled 1885; not torpedoed; yielded 15 barrels of 

 oil on first day of pumping. Economites Well No. 1, lot 5204, Limestone, Warreu 

 County, Pennsylvania. (59764.) 



(21) Dark greenish, specific gravity on sample collected September, 1885, 45° 

 Baume. From the third sandstone of the Petroleum Measures: saud here 18 feet in 

 thickness; oil in saud; depth of well 690 feet; drilled 1865; torpedoed; yielded 

 450 barrels of oil on first day of flow. Well No. 9, Economite Farm, Limestone, 

 Warren County, Pennsylvania. (59800.) 



(22) Dark greenish, specific gravity on sample collected September, 1885, 47" 

 Baume. From the third sandstone of the Petroleum Measures; sand here 22 feet in 

 thickness; oil in saud ; depth of well 1,750 feet; drilled 1882; torpedoed; yielded 

 650 barrels of oil on first day of flow. Lot 672, Cherry Grove, Warren County, 

 Pennsylvania. (59801.) 



(23) Dark greenish, specific gravity 43° Baum6. Oil in sand, here 42 feet in 

 thickness; depth of well 1,542 feet; drilled 1885; torpedoed; yielded 3 barrels of 

 oil on first day of flow. Well No. 1, lot 754, Cherry Grove, Warreu County, Pennsyl- 

 vania. (59810.) 



(24) Dark greenish red. Ward well farm, Warren County, Pennsylvania. (59821.) 



(25) Dark greenish red. Ward well pool, Warren County, Pennsylvania. (.59822.) 



(26) Dark greenish red. From the third sandstone of the Petroleum Measures, 

 here 40 feet in thickness; oil in sand; depth of well 850 feet; drilled, 1883; tor- 

 pedoed; yielded 200 barrels of oil on first day of flow. Farm of J. M. Wardwell, 

 Mead, Warren County, Pennsylvania. (.59824.) 



(27) Dark greenish red. Oil in sand ; depth of well about 1,000 feet ; drilled, 1884 ; 

 torpedoed; yielded 500 barrels of oil on first day of flow. McWilliam farm. Glade, 

 Warren County, Pennsylvania. (.59825.) 



{2S) Dark greenish red. Oil in sand, here 40 feet in thickness; depth of well 



