He looks a lot more like a navvy, or a building labourer, if you ask me, and chummy in the bowler looks very like a works supervisor.
I have a strong suspicion that, whatever it is that these chaps are up to, it doesn’t primarily involve standing in a hole in the ground looking out, and that they’ve been asked to pose like that by the photographer from Picture Post.
I called it the two men (thetwomen) so I could easily find it when uploading it. The original title was something like htytyujdkjkejgtfhkj145563783jhegf672u_n.jpg