<Tr> <Th_colspan="2"> Canadian Shield Stratigraphic range: Precambrian Had'n Archean Proterozoic Pha . </Th> </Tr> <Tr> <Th> Type </Th> <Td> Shield </Td> </Tr> <Tr> <Th> Unit of </Th> <Td> North American craton </Td> </Tr> <Tr> <Th> Sub-units </Th> <Td> Laurentian Upland Kazan </Td> </Tr>

What is the land use of the canadian shield