On Jun 2, 1:04 pm, (Doug Miller) wrote:
In article , (Larry W) wrote:

Carpenter bees make a hole so perfectly round it looks like it was
drilled. 1/2" dia. is about the size they make too.

Yabbut this is a concrete foundation -- maybe mason bees? :-)


This guy...?
http://www.handmadewebsites.com/mystuff/reese.html

R