I'm getting there, but I seem to have a mistake somewhere in the perimeter of the face.  The area in the box doesn't work, so something somewhere else is incorrect that keeps this from working...  Any help is appreciated.

edit: picture deleted (DT)

Hi rdut,

It's not too bad, there are 2 spots marked wrongly in the red are I marked. If you correct those, and the logical follow up you made in the same columns, I think you should be ok As far as I can tell to the left of column 24 in the black are you marked there are no mistakes, so you don't have to delete that whole area.

I hope you can finish the puzzle now. Request for you, if you manage to finish it, please let me know so I can delete the almost finished picture of the puzzle so it won't spoil the solving pleasure of future solvers

Good luck, Maarten

edit: picture deleted

Thanks for the help; that did it!  Feel free to delete the picture now....