90 REPORT OF THE SPECIAL COMMITTEE 



This committee, with C. W. Hayes as chairman, met for the first 

 time at Washington, January 2, 1903. At this meeting several 

 special committees were appointed to consider different districts 

 along the international boundary. For the Lake Superior region 

 the following committee was appointed: for the United States, C. R. 

 Van Hise and C. K. Leith, of the United States Geological Survey, 

 and A. C. Lane, state geologist of Michigan; and for Canada, Robert 

 Bell and Frank D. Adams, of the Canadian Geological Survey, and 

 W. G. Miller, provincial geologist of Ontario. 



August 3, 1904, this special committee met in the Marquette dis- 

 trict of Michigan, and during the six weeks following visited succes- 

 sively the Gogebic, Mesabi, Vermilion, Rainy Lake, Lake of the 

 Woods, Animikie, and original Huronian districts. After finishing 

 the field-work, a report in preliminary form was drawn up. 



In December, 1904, another meeting of the special committee 

 was held at Philadelphia, further to consider the report, all members 

 of the committee being present except C. R. Van Hise. At this meet- 

 ing the report of the subcommittee was completed as given below. 



REPORT OF THE COMMITTEE 



Your special committee on the Lake Superior region, during the 

 months of August and September, 1904, visited various districts in 

 the Lake Superior country, their purpose being to ascertain, if possible, 

 whether they could agree upon the succession and relations of the 

 formations in the various districts, and could further agree upon a 

 nomenclature appropriate to express the facts. The districts visited 

 were the Marquette, the Penokee- Gogebic, the Mesabi, the Vermilion, 

 the Rainy Lake, the Lake of the Woods, the Thunder Bay, and the 

 original Huronian of the north shore of Lake Huron. Aside from 

 the regular members of the special committee, for parts of the trip 

 other geologists were with the party. Dr. C. W. Hayes, geologist 

 in charge of geology, United States Geological Survey, and a 

 member of the general committee, was with the party for the Mar- 

 quette, Penokee- Gogebic, Mesabi, Vermilion, and Rainy Lake dis- 

 tricts. Professor A. E. Seaman was with the party for the Marquette, 



