• 01.083 probably somebody lighting a wood-fire –
• 03.024 “I can smell the wood-fires for the cooking.”
• 07.045 Though it was summer there was a wood-fire burning

This word is hyphenated in the examples in its sub-entry in OED.

“wood, n.1.” OED Online, Oxford University Press, June 2017, http://www.oed.com/view/Entry/230005. Accessed 21 September 2017.