>> I believe it is early country,
>> though I don't know the author.
>
> Composed by Marijohn Wilkin and Danny in 1959
Yes: written by Danny Dill and Marijohn Wilkin: there's a page of discussion about the song, in the context of The Band's famous recording, over here:
http://theband.hiof.no/articles/long_black_veil_viney.html
This site also has a terrific treatment of "Up on Cripple Creek", for Band fans out there.
Chris