This is sadly beautiful. I had a blue roan horse when I was growing up. I had thought from the title of this excellent poem that it might be referring to the top of the shoulders of a similarly colored horse. LOL Your idea is much better.
Early Works is an exhaustive compilation of the first decade of the poems and stories of Z.B.McClure. Included are family photos, rare personal photos, photos of 1st draft manuscripts of many of his early poems. Also some biography and memoir materia
In Spirit,
Bear