246 BULLETIN 42, UNITED STATES NATIONAL MUSEUM. 



(51) Dark greenish, specific gravity 42.50° Baum^. Oil in sand, here 29 feet in 

 thickness; depth of well 1,084 feet; drilled 1885; torpedoed ; yielded 24 barrels of oil 

 on the first day of pnnipiug. Well No. 1, Young's farm, Rockland, Venango County, 

 Pennsylvania. (59772.) 



(52) Dark greenish, specific gravity 45° Bauni^. From the third sandstone of 

 the Petroleum Measures (Venango); sand here 28 feet in tliickness ; oil in sand; 

 depth of well 60t5 feet ; drilled 1871 ; torpedoed ; yielded 8 barrels of oil on lirst day 

 of pumping. Well No. 2, farm of Jennings A- Ralston, Jackson, Venango County, 

 Pennsylvania. (59775.) 



(53) Dark greenish, specific gravity in 1867, 48° Baume, in 1885, 47° Banm6. Oil 

 in sand, here 57 feet in thickness ; depth of well 835 feet; drilled 1867; yielded 210 

 barrels of oil on first day of pumping. Well No. 127, Cherry Run Oil Company, Oil 

 Creek, Venango County, Pennsylvania. (59776.) 



(54) Dark greenish, specific gravity 44° Baum6. Oil in sand, here 12 feet in thick- 

 ness; depth of well 780 feet ; drilled 1883; torpedoed; yielded 50 barrels of oil on 

 first day of pumping. Emlenton, Venango County, Pennsylvania. (59778.) 



(55) Dark greenish, specific gravity in 1877, 46° Baum6. Oil in sand, here 31 feet 

 in thickness; depth of well 836 feet ; drilled, 1877 ; torpedoed ; yielded 3,600 barrels 

 of oil on first day of flow. Big Injun well, Sinicox farm, Clinton, Venango County, 

 Pennsylvania. (59784. ) 



(56) Dark greenish, specific gravity in 1868, 48° Banm6, in 1885, 47° Baum^. Oil 

 in sand, here 17 feet in thickness; depth of well 862 feet; drilled 1868; torpedoed; 

 yielded 35 barrels of oil on first day of pumping. Well No. 1, Nettleton farm, Oil 

 Creek, Venango County, Pennsylvania. (59785.) 



(57) Black, specific gravity in 1868, 40° Baum^, in 1885, 37| Baum^. From the 

 second sandstone of the Petroleum Measures ; sand here 30 feet in thickness ; oil in 

 sand ; depth of well 622 feet ; torpedoed ; yielded 25 barrels of oil on first day of 

 pumping. Well No. 2, Philadelphia and Boston farm, Rockland, Venango County, 

 Pennsylvania. (59787.) 



(58) Dark greenish, specific gravity on sample collected September, 1885, 43.50° 

 Baum6. From the third sandstone of the Petroleuui Measures (Venango); sand here 

 31 feet in thickness; oil in sand ; depth of well 956 feet; drilled 1871 ; yielded 250 

 barrels of oil on first day of flow. Hefi'erman & McDouald well, Milton farm, Bra- 

 densburg, Venango County, Pennsylvania. (56796.) 



(59) Black, specific gravity 44° Baume. From the first sandstone of the Petro- 

 leum Measures ; sand here 51 feet in thickness ; oil in sand ; depth of well 775 feet ; 

 drilled 1885; torpedoed; yielded 17 barrels of oil on first day of pumping. Well 

 No. 6, Norton tract, Oakland, Venango County, Pennsylvania. (59806.) 



(60) Dark greenish red, specific gravity 48.50° Baumd. Oil in sand, here 80 feet in 

 thickness; depth of well 325 feet ; drilled 1885; not torpedoed; yielded 40 barrels 

 of oil on first day of flow. This sample is especially interesting on account of its 

 being found in the so-called " mountain sand," which lies above the first sandstone of 

 the Petroleum Measures (Venango), and was never before known to produce oil. 

 Well No. 1, Hertzel farm, Rockland, Venango County, Pennsylvania. (59811.) 



(61) Dark greenish, specific gravity 43. .50° Baume. From the third sandstone of 

 the Petroleum Measures (Venango) ; sand here 12 feet in thickness; oil in sand; 

 depth of well 855 feet; drilled 1868; torpedoed; yielded 3 barrels of oil on first day 

 of flow. Holiday Run farm, Oil City, Venango County, Pennsylvania. (59812.) 



(62; Very dark red, specific gravity 49° Baume. From the first sandstone of the 

 Petroleum Measures (Venango); saudhere65 feet in thickness; oil iu sand ; depth of 

 well 455 feet ; drilled 1885 ; torpedoed ; yielded 10 barrels of oil on first day of 

 pumping. This Avell produces about 200 barrels of water with the oil per day ; 

 water flowed from the same sand as the oil. Davis well No. 2, Davis farm, Rockland, 

 Venango County, Pennsylvania. (59814.) 



(63) Dark greenish, specific gravity 49° Baum6. From the third sandstone of the 

 Petreleum Measures (Venango); sand here 18 feet in thickness, oil in sand; depth of 



