In past efforts to find them, I could not locate a source.
I now seem to remember that you or someone else had previously posted a copy of them, which I also found remarkable at the time.
My memory is beginning to feel less reliable than it used to be.
But yes, this clearly supports my thinking that Lincoln was going to get his war one way or the other. If not in Charleston, then in Pensacola.
Official Records of the Union and Confderate Navies in the War of the Rebellion, Series I, Volme IV, pp. 108-109
https://babel.hathitrust.org/cgi/pt?id=coo.31924051350837&view=1up&seq=138
The Collected Works of Abraham Lincoln, Vol. 4, p. 315
It appears to me Lincoln tried to get something started in Florida first and Captain Adams screwed up that plan which did not come from the Navy. Captain Adams contacted SecNav Welles. On the retry at SC and FL, Lincoln/Seward replaced the Captain of Powhatan and set her off with secret orders without informing SecNav Welles.