Diary of a magnetic survey of a portion of the Dominion of Canada, chiefly in the North-Western Territories
Subtitle: executed in the years 1842-1844
By: by Sir J.H. Lefroy.
Series: CIHM/ICMH microfiche series -- no. 09023.
Publisher: Longmans, Green
Published: 1980
Place of publication: London
Language: eng
Format: Microform
Number of pages: 192
Subjects: Geomagnetism -- Canada.; Geomagnetism -- Northwest Territories.; Geomagnetism -- United States.
Notes: Includes index.

Reproduction of original in: Library of the Public Archives of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1980. 4 microfiches (142 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 09023).