Extracts from Field Reports 



113 



A violent magnetic storm occurred on July 15, during diurnal-variation observations at 

 Lac du Brochet; another one was noted at Pelican Narrows on August 21. A small display of 

 the northern lights was witnessed at Pelican Narrows on August 20, and on August 21 occurred 

 a most brilliant display, declared to be the finest ever seen by the older inhabitants of the place. 

 It manifested itself in long streamers shooting rapidly downward and in undulating curtain effects 

 with form and position ever changing. 



Acknowledgment should be made of the kindness and courtesy of Mr. C. C. Chipman, com- 

 missioner of the Hudson's Bay Company, in furnishing information, assistance, and credentials 

 to the party, as also of the valuable aid rendered by Mr. H. B. Hall, in charge of the Saskatche- 

 wan district. 



C. C. Stewart, on Magnetic Work in Western Canada, September to 



November, 1908. 



Upon returning from the expedition to the Canadian North (see Mr. Ault's report, above), 

 the magnetic elements were determined by me, in accordance with supplementary instructions, 

 at the stations enumerated below, using the following outfit: theodolite magnetometer No. 7, 

 dip circle No. 172, pocket chronometer K^ittel No. 256, Hamilton watch No. 2, magnetic observing 

 tent No. 7, and miscellaneous appurtenances. 



While traveling, the dig^ circle and the magnetometer were always taken with me on the 

 train, whereas the tent (in which were packed the two tripods and deflection bar) and all 

 personal baggage were checked as baggage. 



Leaving Prince Albert, Saskatchewan, on September 10, the following magnetic stations 

 were established : 



1. Saskatoon, Saskatchewan. 



2. Melfort, Saskatchewan. 



3. Swan River, Manitoba. 



4. Dauphin, Manitoba. 



5. Kamsack, Saskatchewan. 



6. Quill Lake, Saskatchewan. 



7. Gladstone, Manitoba. 



8. Oak Point, Manitoba. 



9. Battleford, Saskatchewan. 



10. Lloydminster, Alberta. 



11. Edmonton, Alberta. 



12. Lacombe, Alberta. 



13. Calgary, Alberta. 



14. Macleod, Alberta. 



Of these, Nos. 9, 11, and 13 were repeat stations, having been occupied by the Canadian 

 observer, Mr. W. E. W. Jackson, in 1907. Several days of rain and snow about the last of Septem- 

 ber, as well as a week of rain during the latter part of October, delayed the progress of the work. 



The trip was next continued to Mattawa, Ontario, where the Canadian station of 1907 was 

 reoccupied. While en route to Washington instruction in observing was given to Mr. W. H. Sligh; 

 observations were made by him under my direction at Havre de Grace, Maryland, near the 1899 

 station of the Coast and Geodetic Survey, and on an island in the Susquehanna River, 

 near the same town. The 1897 magnetic station of the Maryland Geological Survey at Chester- 

 town was reoccupied, and a new station was established at Bowie, Maryland. 



All computations were made in the field and so far as was expedient were finished before 

 leaving a station; no pronounced local disturbances were noted. The ofiicials of the Hudson's 

 Bay Company and of the Royal Northwest Mounted Police were very courteous in allowing stations 

 to be located on their reserves and in helping to relocate old stations which had been previously 

 established. 



C. C. Stewart, on a Magnetic Exploration Trip to James Bay in 1909. 



Acting according to instructions of June 10 and June 23, 1909, I left Washington on the 

 evening of June 23 for North Bay, Ontario, Canada, with the following instrumental outfit: 

 theodolite magnetometer No. 11, dip circle No. 202, pocket chronometer Kittel No. 258, Hamilton 

 watch No. 53, magnetic observing tent No. 12, and miscellaneous accessories. 



From the date of arrival in North Bay till July 10, the time was spent in the preparations 

 for the part of the season's work which lay beyond civilization and in occupying the following 



stations : 



1. Mattawa, Ontario, repeat station, exact location, 



2. New Liskeard, Ontario, repeat station, new location, 



3. Englehart, Ontario, repeat station, new location, 



4. Matheson, Ontario, new station, 



5. North Bay, Ontario, repeat station, approximate location. 



