Lot's of wet activity today. I noticed these WS-N-R2-D3-O in Slide Canyon around 1500 as I was leaving Provo Canyon. Likely that they occurred today, sometime between 1100 and 1500. Most wet activity observed today was WL-Naturals, some quite large. Saw one other wet slab that was triggered by a wet loose off of a high cliff band in East Chute of Elk Point (see Nalli's obs). These were the largest wet slabs that I observed today.
Close up of the slab low in shot 6. Appears that there was a step down in the bed surface on the lookers left side.