Orchid spp Kelso-Sprouston 17June

Orchid spp Kelso-Sprouston 17June

Observation - Orchid spp Kelso-Sprouston 17June - UK and Ireland. Description: This looks to me like a marsh orchid of some kind but it was growing on the verge of a former railway-line and was well drained. Any suggestions?

This looks to me like a marsh orchid of some kind but it was growing on the verge of a former railway-line and was well drained.
Any suggestions?