An isodynamic chart of Canada from 1961, showing zones of horizontal intensity of geomagnetic fields.
H - isodynamic chart, Canada, 1965.0 (lines of equal horizontal magnetic intensity and equal annual change)
Canada. Surveys and Mapping Branch, CartographerDominion Observatories (Canada)
Department of Mines and Technical Surveys Canada
eng
cartographic
Maps
1961
MagnetismCanada1961
1 map : colour ; 86 x 95 cm, on sheet 91 x 100 cm
600
24490
22146
normal*
RGB
ImageMill Imaging Library v3.000 2013
Lambert conformal conical projection, standard parallels 49° and 77°. Modified polyconic projection north of latitude 80°. Shows zones of horizontal intensity of geomagnetic fields, also waterways, cities and towns. In lower left margin: H 1965.0.
Scale 1:6,336,000 or 100 miles to 1 inch.
G/3401/C93/6336/1961A
f2c68678c1df571bc1e994acb781e036
Material digitized as part of an Academic Innovation Fund (AIF), awarded in 2018. For more information see: http://avptl.info.yorku.ca/academic-innovation-fund/ .
Canada
North America
58.708092, -94.302597
PUBLIC DOMAIN