Lines of equal magnetic horizontal intensity in western Canada for 1917
Date1917
Names
Canada. Department of the Interior
(author)
Canada. Surveys and Mapping Branch
(contributor)
Cory, William Wallace
(contributor)
Lougheed, James A. (James Alexander), 1854-1925
(contributor)
FormatMap
Subject
Medium
DimensionsScale 100 miles to one inch; 33 x 45 cm
Language
CollectionBaldwin Collection of Canadiana
Usage Rights
Public Domain
(Learn More)
Object Number538-7-C12-3-SMALL
Canada. Department of the Interior
1917
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1917
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