So I realized that I was up atop the hill but had forgotten the extension cord to trigger Unicron, my Sunpak 622 Pro flash, without using an intervening optical sync layer. So I made do by using the 144PC via a short PC connector... which hasn't always been super reliable. But it worked.
So this is my 622 Pro on a light stand optically triggered with a 144PC that has a black piece of slide film taped over the front plugged into the PC socket of the lens on my RB67. This time I just screwed the camera bracket into the umbrella bracket, which worked better than screwing the bottom in.
I also figured it would be interesting to post two similar shots, one taken with the digital in color, one taken with the RB67 in black and white. Compare to the digital version.
Oh, and I stand-developed this shot in Rodinal 1+100. Just toss it in for an hour with 5 inversions halfway through.