First look at Spruce Swamp Brook - Shirley

I went into the woods on the trail into the Holden Rd Conservation Land. There was sand on every side but I thought I saw rocks across the the brook and stepped off the trail. And stepped on a rock pile I would not have seen. This one found me:

It has two larger rocks at either end. In between are a number of smaller rocks, including some quartz which is common around here.

Then stepping over towards the brook, the new Royal Ferns were pretty:

See the flat meadow in the background? The brook meanders through it. But check out this rock pile in the brook:

I don't see how this could be anything other than a rock pile which got buried in silt.