Magnetic results in western canada /
Herbert, W. H.,
Magnetic results in western canada / By w. h. herbert and j. h. mcknight - xxix, 362 páginas - Bulletin / topographical survey of canada, department of the interior ; 52 .
A la cabeza de la portada: canada, department of interior, topographical survey of canada
Geomagnetismo
QC815.2 / H47
Magnetic results in western canada / By w. h. herbert and j. h. mcknight - xxix, 362 páginas - Bulletin / topographical survey of canada, department of the interior ; 52 .
A la cabeza de la portada: canada, department of interior, topographical survey of canada
Geomagnetismo
QC815.2 / H47