236 BULLETIN 109, UNITED STATES NATIONAL MUSEUM. 



results in writing except in a very minor degree. Being by nature 

 cautious, he had endeavored to look over every part of the field be- 

 fore committing himself. After he had grasped the work in all its 

 details, it was usual for him to put it into manuscript form with 

 great rapidity, but in this instance '' he gave himself no rest, but 

 worked on and on until his vital force was exhausted, when he was 

 taken away almost as suddenly as though struck down on the field 

 of battle." As a result all his maps, field notes, specimens, and sec- 

 tions, indeed practically all the work accomplished except that of 

 organization, were almost valueless. 



With the death of Wright, as already intimated, Dr. M. E. Wads- 

 worth, president of the School of Mines, at Houghton, became State 

 geologist. Work was resumed during the season of 1888 in T. 43 N., 

 R. 35 W., this point being selected on account of the field work hav- 

 ing in large measure been completed westerly from Marquette to a 

 line drawn from Iron River village northAvardly to the south end 

 of KeweenaAv Bay, near L'Anse. During this season he covered the 

 ground lying between Iron River and Lake Gogebic on the west and 

 from the State boundary to township 46 on the north. Considerable 

 attention was devoted to settling problems in connection with Mr. 

 Wright's work. In his annual report for this year (1888-89) Doctor 

 Wadsworth writes that thus far some 70 townships have been ex- 

 plored and their geologj^ mapped with sufficient accuracy so that 

 preliminary maps might be published such as would serve as great 

 aid to the explorers. During the season of 1889-90 the work of 

 mapping the area west of Gogebic Lake and south of the copper- 

 bearing rock's and sandstones was completed, and township No. 45 

 surveyed. The published boundary of the copper-bearing rocks 

 with the eastern sandstone, between Bete Gris Bay and southwest- 

 erly to Gogebic Lake, was also rectified, and careful excavations and 

 surveys undertaken to ascertain the exact relations of the two for- 

 mations. In 1890 the gold district was studied and special work 

 was. done in the Marquette iron region. In 1891 and 1892 field work 

 began at Champion and the adjacent district and extended south of 

 Clarksburg to Palmer and the vicinity of Negaunee. Later it was 

 extended into the Huron Mountain district and into the limestone 

 region in the vicinity of L'Anse, and the South Trap Range from 

 Silver Mountain through to Lake Gogebic. Parties were also en- 

 gaged in the Crystal Falls, Iron Mountain, Quinnesec, Norway, and 

 Felch Mountain areas. In 1892 the work on the gas and salt wells 

 begun under Wright's administration was continued. 



Personnel. — Doctor Wadsworth's term of service as State geologist 

 came to an end in 1893. Up to 1888 no geological assistant had been 



