'D' Range Target Railway (remains) in Dartmoor Forest in West Devon.
- Website
https://webarchive.nationalarchives.gov.uk/20121026065214/http://www.mod.uk/NR/rdonlyres/EBF59C8C-8B0E-4349-B40B-B6566B658959/0/Okehampton_Artillery_Range_Observation_Posts.pdf