The poem
There is an evening coming in Across the fields, one never seen before, That lights no lamps.
Silken it seems at a distance, yet When it is drawn up over the knees and breast It brings no comfort.
Where has the tree gone, that locked Earth to sky? What is under my hands, That I cannot feel?
What loads my hand down?

the question is; where is he goingmany argue this is reflected in the tital, mayb, maybe not who are we to comment.
Death
Just a thought, mabye Going could mean his passing into the after life and he explains how his loss of faith over the years and he is being held down by sin. Just a thought...