daetOn.] 



NOETH AMERICAN GEOLOGY. 



449 



Hall, Charles E. — Continued. 



Eelatious of tbo crystalline roclcs of 



eastern Pennsylvania to the Silurian 

 limestones and the Hudson River age 

 of thehydromica schists, with plate. 

 Am. Phil. Soc, Proc, vol. 18, pp. 435-443, 

 1880. 



Abstract, Am. Jour. Sci., 3d series, vol. 19, 

 pp. 413-414 (ftp.), 1880. 



Second geological survey of Pennsyl- 

 vania. Report of progress C6. The 

 geology of Philadelphia County and of 

 the southern parts of Montgomery and 

 Bucks, with analyses of rocks, by Dr. 

 F. A. Genth and F. A. Genth, jr., xx, 

 145 pages, maps, plates, Harrisburg, 

 1881. 



Abstracts, Am. Jour. Sci., 3d series, vol. 



25, pp. 473-474 (J p.), 1883; Am. Nat., vol. 17, 



pp. 65-66, 1883. 



Geology of the Chester Valley of 



Pennsylvania. 



Am. Nat., vol. 17, pp. 646-648, 1883. 

 Reviewed by Eand, ibid., pp. 965-967. 



The South Mountain gneiss, etc. 



2d Geol. Surv. Pennsylvania, Keport D3, 

 vol 1, geology of Lehigh and Northampton 

 counties, pp. 215-258, plate, Harrisburg, 1883. 



The southern gneiss of Chester. 



2d Geol. Surv. Pennsylvania, Eeport C4, 

 geology of Chester County, edited by J. P. 

 Lesley, pp. 54-63. Harrisburg. 1883. 



Eeviewed by P. Frazer, Am. Nat., vol. 17, 

 pp. 1020-1027, 1883. 



Report of a geological survey of 



Delaware County. 



2d Geol. Surv. Pennsylvania, Eeport C5, 

 part 1, field notes on Delaware County, by 

 C. E. Hall, pp. 1-110, map, plates, Harrisbiirg, 

 1885. 



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

 pp. 227, 228 (5 p.), 1836. 



[On contorted clay on west side of 



Lake Champlain, IST. Y.] 



2d Geol. Surv. Pennsylvania, Eeport C5, 

 part 1, field notes on Delaware County, by 

 C. E. Hall, pp. x-xi, Harrisburg, 1885. 



Laurentian magnetic iron-ore depos- 

 its of northern New York; accom- 

 panied by a geological map of Essex 

 County. 



New York, Eeport of the State Geologist 

 for 1884, pp. 23-31, map, Albany, 1885. 



Notes on the manganese-ore deposits 



at Crimora, Va. 



Eng. and Mining Jour., vol. 52, pp. 94-95 

 (gp.), 4", 1891. 

 Eead to Am Inst. Mining Eng., June, 1891. 



Bull. 127 29 



Hall, Charles E. — Continued. 



Beecher, C. E., and. Field notes 



on the geology of the Mohawk Val- 

 ley. 



New York, 5th Eeport of State Geologist, 

 1885, pp. 8-10, map, 1886. 



[ Hall, J. W., and.] Notes on 



Oneonta sandstone in the vicinity of 

 Oxford, Chenango County, N. Y. 



New York, 6th Eeport of the State Geolo- 

 gist, 1885, p. 11, Albany, 1886. 



Hall, C. W. [Field report on Lake Su- 

 perior region.] 



Minnesota Geol. and Nat. Hist. Surv., 7th 

 Annual Eeport for 1873, pp. 26-29, Minneap. 

 olis, 1879. 



Report [on Lake Superior region] . 



Minnesota Geol. and Nat. Hist. Surv., 8th 

 Annual Eeport for 1879, pp. 126-138, St. Paul, 

 1880. 



A brief history of copper mining in 



Minnesota. 



Minnesota Acad. Sci., Bull., vol. 3, part 1, 

 pp. 105-111, 1889. 



The lithological character of the 



Trenton limestone of Minneapolis and 

 St. Paul, with a note on the borings of 

 the West Hotel artesian well. 



Minnesota Acad. Sci., EuU., vol.3, parti, 

 pp. 111-124, plate 1, 1889. 



The geological conditions which con- 

 trol artesian- well boring in southeast- 

 ern Minnesota. 



Minnesota Acad. Sci., Bull., vol. 3, part 1, 

 pp. 128-143, plate 2, 1889. 



The distribution of the granites of 



the Northwestern States and their gen- 

 eral lithologic characters. [Abstract.] 

 Am. Assoc. Adv. Sci., Proc, vol. 37, pp. 

 189-190, 1889. 



[ ] [Notes for Fergus Falls and Black 



Hills Railway, Gara and Winnebago 

 City.] 



M acfarlane's Geol. Ewy. Guide, 2d edition, 

 p. 251 (J p.), 1890. 



A notable dike in the Minnesota 



River valley. [Abstract. ] 



Am. Assoc. Adv. Sci.,Proc., vol. 39, pp. 263- 



264 (6 p.), 1891. 



Some of the conditions controlling 



successful artesian-well boring in fhe 

 Northwestern States. [Abstract.] 



Am. Assoc. Adv. Sci., Proc, vol. 39, pp. 264- 



265 (I p.), 1891. 



