“The Herefordshire Landscape” purely evokes a sense of place because of it’s non-specific description of any specific country area or social situation. It is merely a poetic description of a landscape.
“Slough” makes a social comment about progress and place as it is a poem that is talking about WWII or another social war. You can see this because of it’s description on how the area should be bombed because it has already been mostly destroyed anyways.
“The Lost Land” speaks about a place in relation to identity and exile, as it specifically talks about “Dublin Bay” and “Ireland” so you know it’s site-specific.