GP7 and GP9 Drawings

I’m looking for top down drawings of EMD’s GP7 and GP9 series. I’ve found plenty of side drawings but have been unable to find top down drawings showing how many blades the fans would have had. I looked for pictures but nothing there either.

I would check some of the models at a hobby shop. With the level of detailing today I doubt they would put in the wrong number of blades.

I’ve looked and all of them are too dark to tell. I checked through the Model Railroader magazines I have and I don’t have any drawings. I even checked (dare I say it) Railroad Model Craftsman. Nothing there either.