Judge for yourself if you think the tee on the 4th was very close to the creek, and perhaps even on the other side based upon these photos and this 1916 Philly Ledger photo. After the Ledger photo is a Google map of the 4th annotated to show approximately where each photo is shot from and the angle (the best I can remember!).
Here's a view (A) from the green with the current tee in view. I believe the original tees were to the right of this, probably on the other side of the creek.
This is shot (B) back to the green:
View C:
This is a view (D) from the walking path back to the 3rd green. My proposed original tee area you'll see soon is just to the left of where this photo was taken.
Here's a view (E) of a possible teeing area, and would be fairly close to 150 yards.
The green is visible from this area (F):
View G, from about 100 yards:
Pic H:
Pic I:
Another possibility (J) for the tee, or the back tee, is from this spot to the right of the creek closer to the current tee:
This is another view (K) of the first possible teeing area I mentioned:
I'm very confident now that the current tee location is close, but not the same as when the course opened in 1916.
As Shivas would say: Discuss!