82 



CATALOGUE AND INDEX OF 



[BDLL. 127. 



Ashburner, Charles A. — Continued. 



Geological section at St. Marys, Elk 



County, Pa. 



Am.Phil. Soc, Proc.Tol. 19, pp. 337-348,1882. 

 The anthracite coal beds of Pennsyl- 

 vania. 



Am. Inst. Mining Eng., Trana., vol. 11, pp* 

 136-159, plate, 1883. 



[Age of Allegheny oil sand of New- 

 York.] Eead to Philadelphia Academy 

 of Sciences, January 14, 1883 [?]. 



Am. Nat., vol. 17, pp. 320-321 (i p.), 1883. 



Science, vol. 2, p. 20 (J p.), 1883. 



First report of progress in the anthra- 

 cite district, southern field, Panther 

 Creek basin. 



2d Geo!. Surv. Pennayvania, Report AA, 

 Isfc report of progreaa in tlie anthracite co.al 

 region by C. A. Ashburner, xlviii, 407 pages, 

 maps, plates, Harriaburg, ]883. 



Includes appendix A by C. L. Doolittle, pp. 

 243-324; Appendix D by A. 'Winslow, pp. 

 325-344. 



Abstract, Am. Jour.^Scl., 3d series, vol. 27, 

 pp. 407-408, 1884. 

 Am. Nat., vol. 17, pp. 851-854. 



Pennsylvania anthracite. 



Science, vol. 3, pp. 310-312, 1884. 

 Notes on the Natural Bridge of Vir- 

 ginia. 



Am. Phil. Soc, Proc, vol. 21, pp. 690, 699-700, 

 1884. 

 The anthracite coal fields of Penn- 

 sylvania. 



Sci. Am. Sapt.,vol. 18 (No. 464), pp. 7410-7414, 

 i°, 1884. 



Atlas western-middle anthracite field. 



2d G-eol. Surv. Pennsylvania, Eeport AA, 

 part l,8platea, Harrisburg, 1884. 



Atlas eastern-middle anthracite field. 



2d Geol. Surv. Pennsylvania, Report AA, 

 part 1, plates 1-8, Harrisburg, 1883. 



Atlas northern anthracite field. 



2d Geol. Surv. Pennsylvania, Report AA, 

 part 1, plates 1-13, Harrisburg, 1885. 

 Letter [on drillings for coal in Ser- 

 geant Township, McKean County] in 

 reply to letter of N. F. Jones. 



2d Geol. Surv. Pennsylvania, Report RR 

 (Elk, Forest, and Cameron counties), pp. 348- 

 362, Harrisburg, 1885. 



Elk County, detailed geology of the 



several townships. 



2d Geol. Surv. Pennsylvania, Report RR 

 (Elk, Forest, and Cameron counties), pp. 61- 

 299 4 maps, 2 plates, Harrisburg, 1885. 



The geology of natural gas. 



Science, vol. 6, pp. 42-43, 184-185, 1885. 

 Sci. Am. Supt., vol. 21 (No. 543), pp. 

 8677-8678, 1886. 



Ashburner, Charles A.— Continued. 



Forest County, geology of the coal 



measures. 



2d Geol. Surv. Pennsylvania, Report RE, 

 (Elk, Forest, and Cameron counties), pp. 301- 

 326, map, Harrisburg, 1885. 



Notes on iron ore in Cameron 



County. 



2d Geol. Surv. Pennsylvania, Report RR 

 (Elk, Forest, and Cameron counties), pp. 863- 

 368, Harrisburg, 1885. 

 The Natural Bridge of Virginia. 



Science, vol.5, pp. 13-14 (J p.), 1885. 



Second report of progress in the 



anthracite coal region, part 1, statis- 

 tics of production and shipment for 

 1883 and 1884, illustrated by a general 

 map of the anthracite coal fields. 



2d Geol. Surv. Pennsylvania, Report AA, 

 22 pages, map, 8", Harrisburg, 1885. 



The geology of natural gas. 



Am. Inst. Mining Eng., Trans., vol. 14, pp. 

 428-438, 1886. 



The product and exhaustion of the oil 



regions of Pennsylvania and New York. 

 Am. Inst. Mining Eng., Trans., vol. 14, pp. 

 419-428, 1886. 



Abstract, Am. Jour. Sci., 3d series, vol. 31, 

 p. 309 (J p.), 1886. 

 Borings for oil in Jackson and Ab- 

 bott townships, Potter County. 



Geol. Surv. Pennsylvania, Annual Report 

 for 1885, pp. 82-94, Harrisburg, 1886. 



Description of the Archbald pot- 

 holes; also of the buried valley of New- 

 port Creek, nearNanticoke, with special 

 reference to the "Nanticoke disaster" 

 of December, 1885. 



Geol. Surv. Pennsylvania, Annual Report 

 for 1885, pp. 615-636, Harrisburg, 1886. 



Report on the Brandywine Summit 



kaolin bed, Delaware County. 



Geol. Surv. Pennsylvania, Annual Report 

 for 1885, pp. 592-614, Harrisburg, 1886. 

 Eeport on the Tipton Eun coal open- 

 ings, Blair County (coal beds in the 

 Pooono formation No. X). 



Geol. Surv. Pennsylvania, Annual Report 

 for 1885, pp. 260-268, Harriaburg, 1886. 

 Eeport of the Wyoming Valley Car- 

 boniferous limestone beds. 



"W^yoming Hist, and Geol. Soo., Proc. and 

 Coll., vol. 2, pp. 254-264, 1886. 



Geol. Surv. Pennsylvania, Annual Report 

 for 1885, pp. 437-450, Harrisburg, 1886. 



Second report of progress on the 



anthracite coal regions. Part it. 



Geol. Surv. Pennsylvania, Annual Report 

 for 1886, pp. 269-490, 2 plates, Harrisburg, 1886. 



