Noble's Mann Township Noble's Mann North-West has a geophysical footprint of 6.0 km2. Mann Central has a geophysical footprint of 3.1 km2. Mann South-East has a geophysical footprint of 4.1 km2. For a totall geophysical footprint of 13.2 km2. Canada Nickel's Crawford property has a geophysical footprint of 1.6 km2. Noble's Mann Township properties have an 8.25 times larger geophysical footprint than Canada Nickel's Crawford property.