Low Water on the Susquehanna

The level of the Susquehanna River's been very low recently in the Mount Wolf/northern Marietta vicinity. A week ago last Friday I walked to the boat dock and noticed people climbing on the rocks in the center of the river. I assume they'd taken a boat, but found a way to access the area a short distance to the south.

Much ground we exposed- I could walk at least 20 yards downriver. I found coal, weathered glass, driftwood, a (horse?) tooth...