Comment on the old post by Iona, , but the verse does have the line "Then throw those dogies upon the trail.
That verse, and the one about the jimson weed and sandburs, is from a Lomax version.
There is a final verse to his song:

Oh, you'll be soup for Uncle Sam's Injuns,
"it's beef, heap beef," I hear them cry.
Git along, git along, git along, little dogies,
You're going to be beef steers by and by.