This one is not an inserted hyphen, OED views it as the proper way to express this direction.
- 13.053 at the South-West corner of the Mountain.’
“south-west, adv., adj., and n.” OED Online. Oxford University Press, June 2015. Web. 28 July 2015.
This one is not an inserted hyphen, OED views it as the proper way to express this direction.
“south-west, adv., adj., and n.” OED Online. Oxford University Press, June 2015. Web. 28 July 2015.