1 86 The A)ncrican Geologist. Marcii, imi8 
j. BibliograpJiy of the Keivccnaivan Area in 
Northeastern Minnesota. 
1. Description of the geology of middle and western Minnesota; 
including the country adjacent to the northwest and part of the south- 
west shore of lake Superior; illustrated by numerous general and local 
sections, woodcuts, and a map, J. G. Norwood. Report of a Geological 
Survey of Wisconsin, Iowa, and Minnesota, 1852, pp. 209-418. 
2. Report of the State Geologist on the metalliferous region border- 
ing on lake Superior, Henry H. Eames. St. Paul, 1866, pp. 21. Sec 
also. Geological reconnaissance of the northern, middle and other coun- 
ties of Minnesota, Henry H. Eaines. St. Paul, 1866, pp. 58. 
3. Geological rambles in Minnesota, J. H. Kloos. The Minnesot;f. 
Teacher and Journal of Education, St. Paul, 1871, vol. iv, no. 6. 
4. Geologische Notizen aus Minnesota, J. H. Kloos, Zeitschrift der 
Deutschen Geologischen Gesellschaft, 1871, Bd. 23, pp, 417-448,648-652, 
map. Translated by N. H. Winchell, loth Ann. Rept. Geol. and Nat. 
Hist. Survey of Minn., 1882, pp. 175-200. 
5. Geognostische und georgraphische Beobachtvmgen in Staate Min- 
nesota, J. H. Kloos. Zeit. Gesell. fiir Erdkunde Berlin, 1877, Bd. 12, 
pp. 266-320. Translated by N. H. Winchell. 19th Ann. Rept. Geol. and 
Nat. Hist. Survey of Minn., .1892, pp. 81-121. 
6. Ueber die krystallinischen Gesteine von Minnesota in Nord- 
Amerika, A. Streng und J. H. Kloos. Leonhard's Jahrbuch, 1877, pp- 
31, 113, 225. Translated by N. H. Winchell. nth Ann. Rept. Geol. and 
Nat. Hist. Survey of Minn., 1884, pp. 30-85. 
7. Sketch of the work of the season of 1878, N. H. Winchell. 7th 
.\nn. Rept. Geol. and Nat. Hist. Survey of Minn., 1879, pp. 9-25. 
8. The Cupriferous series at Duluth, N. H. Winchell. 8th Ann. 
Rept. Geol. and Nat. Hist. Survey of Minn., 1880, pp. 22-26. 
9. Field report of C. W. Hall. Ibid., pp. 126-138. 
10. Geology of the western lake Superior district, E. T. Sweet. 
Geol. of Wisconsin, 1880, vol. Ill, pp. 303-362, with an atlas map. 
11. Preliminary list of rocks, N. H. Winchell. 9th Ann. Rept. Geol. 
and Nat. Hist. Survey of Minn., 1881, pp. 10-71. 
12. The Cupriferous series in Minnesota, N. H. Winchell. Proc. 
Am. Assoc. Adv. Sci., 29th meeting, 1881, pp. 422-425. Same article in 
9th Ann. Rept. Geol. and Nat. Hist. Survey of Minn., 1881, pp. 385-387. 
13. Preliminary list of rocks, N. H. Winchell. loth Ann. Rept. 
Geol. and Nat. Hist. Survey of Minn., 1882, pp. 9-122. 
14. TTie Copper-bearing rocks of lake Superior, R. D. Irving. 
U. S. Geol. Survey, 1883, Monograph V, pp. 464, maps and plates. 
Chapter VII gives details concerning the Keweenawan in Minnesota. 
15. Note on the age of the rocks of the Mesabi and Vermilion iron 
district, N. H. Winchell. nth Ann. Rept. Geol. and Nat. Hist. Survey 
of Minn., 1884. pp. 168-170. Also in Proc. Am. Assoc. Adv. Sci., 1884. 
33rd meeting, 1884, pp. Z^Z-i19- 
i6. Notes of a trip across the Mesabi range to Vermilion lake, N. 
