The Last Word of a Blue Bird Comments

I am trying to find out when was the poem written

i am a footballer and i do love your poems

And perhaps in the spring......and sing, loved these lines

And look for the skunk tracks In the snow with an ax- Skunks are known for their odorous emanations, so this is an obvious political allegorization, the snow implying purity, but the ax an obscurity its meaning lost to categorization. But, maybe ax just rhymes with tracks.