I was glad to get this 4x5 shot developed without damage, as I dropped the film holder into the stream and it sat in a wet state for 6 weeks before being prized out of the holder.
I've wondered about the level of water abuse those holders can take, now that it's finally rainy season here in California. Nice photo and great research!
Here's my contribution, from my first time shooting color 4x5 (Intrepid/Portra 160). Pardon the dusty scans: