DABTON.] 



NORTH AMERICAN GEOLOGY.' 



Ill 



Brooks, T. B. — Continued. 



Classified list of rocks observed in 



the Huronian series sonth of Lake 

 Superior, ■with, remarks on their abun- 

 dance, transitions, and geographical 

 distribution; also a tabular presenta- 

 tion of the sequence of the beds, with 

 an hypothesis of equivalency. 



Am. Jour. Sci., 3d series, vol. 12, pp. 191-201, 

 1876. 



On the youngest Hiironian rocks 



south of Lake Superior and the age of 

 the copper-bearing series. 



Am. Jour. Sci., 3d series, vol.11, pp. 206-211, 

 1876. 



Geology of the Menominee iron re- 

 gion, east of center of range 17 E., 

 Oconto County, Wis. 



Geology of 'Wisconsin, Surrey of 1873-1879, 

 vol. 3, pp. 429-599, atlas, 1880. 



Geology of the Marquette iron region : 



A correction. 



Am. Jour. Sci., 3d series, vol. 11, p. 160 (ip.), 

 1891. 



and JuUen, A. A. Catalogue of the 



Michigan State collection of the Huro- 

 nian rocks and associated ores. 



Geol. Surv, Michigan, Upper Peninsula, 

 1869-73, vol. 2, pp. 199-212, New York, 1873. 



and Pumpelly, E. On the age of 



the copper-bearing rocks of Lake Su- 

 perior. 



Am. Jour. Sci., 3d series, vol. 3, pp. 128-432, 

 1872. 



Broome, Gordon. The Laurentian apa- 

 tites of Canada. 



Am. Assoc, Proc, vol. 19, pp. 119-156, 1870. 



Notes on the phosphate of lime and 



mica found in North and South Burgess 

 and North Elmsley. 



Geol. Surv. Canada, Beport of progress, 

 1870-71, pp. 316-321, 1872. 



Bross, William. Canyons, their character 

 and origin. 



Science (edited by John Michels), vol. 2, pp. 

 168-470, 4°, 1881. 

 Bead to Am. Assoc. Adv. Sci., 1881. 



Brotherton, Sweet, E. T. Strong, Moses, 

 and, and Chamberlin, T. C. The 

 qnartzites of Barron and Chippewa 

 counties. 



Geology of 'Wisconsin, survey of 1873-1879, 

 vol. 4, pp. 573-581, Madison, 1882. 



Brovra, Amos P. Mode of occurrence of 

 pyrite in bituminous coal. 



Am. Inst. Mining £ng., Trans., vol. 16, pp. 

 539-516, 1888. 



BroTvn, A. J. The formation of fissures 

 and the origin of their mineral contents. 

 Am. Inst. Mining Eng., Trans., vol. 2, pp. 

 215-219, 1871. 



Carboniferous coal in Nevada. 



Am. Inst. Mining Eng., Trans., vol. 3, pp. 

 31-33, 1875. 



Bro-wn, Andrew, and Dickeson, M. W. 



The sediment of the Mississippi River. 

 Am. Assoc. Adv. Sci., Proc, vol. 1, pp. 12- 

 55, 1819. 



Abstract, Louisiana board of health, Report 

 for 1882-83, pp. 350-353, 1883. 



Bro'wn, C. Newton. The Meigs Creek 

 coal seam in Morgan, Muskingum, 

 Guernsey, and Noble counties. 



Geol. Surv. Ohio, Report, vol. 5, economic 

 geology, pp. 1059-1086, Columbus, 1881. 



The Pittsburg coal seam in Jeffer- 

 son, Belmont, and Guernsey counties. 

 Ohio Geol. Surv., Report, vol. 6, economic 

 geology, pp. 595-626, map, 1888. 



Brown, G. C. The apatite deposits of 

 the Province of Quebec. 



British Assoc, Report of 51th meeting, pp. 

 716-717 (J p.), 1885. 



Brow^n, J. A. Calaveras County. 



California, 10th Report of Mineralogist, pp. 

 117-152, 1890. 



Amador County. 



California, 10th Report of Mineralogist, pp. 

 98-123, 1890. 



Brown, Peter A. On the geological char- 

 acter of the beds upon which the city 

 of Philadelphia stands. 



Am. Jour. Geol. and Kat. Hist., vol. 1, pp. 

 363-367, 1832. 



On the rocks found in the vicinity 



of Philadelphia. 



Am. Jo ur. Geol. and JN'at. Hist., vol. 1, pp. - 

 517-519, 1832. 



Brown, Richard. The coal fields and coalj 

 trade of the island of Cape Breton, — ^1 

 pages, maps, London. 1841. [Not] 

 seen.] Z' 



On the geology of Cape Breton, 



Geol. Soc.Quart. Jour., vol. 1, pp. 23-26, 1845 

 Map by Gesner, pp. 207-213. ■' .*■ 



Abstract, Am. Jour. Sci., 2dseries, vol. 1, pp. 



278-279 (I p.), 1845. 



On a group of erect fossil trees in 



the Sydney coal field of Cape Breton. 



Geol. See, Quart. Jour., vol. 2, pp. 393-396, 

 1816. 



On the gypsiferous strata of Cape 



Dauphin, in the island of Cape Breton. 



Geol. Soc, Quart. Jour., vol. 3, pp. 257-260, 

 1817. 



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