It took a couple of days to dry the soil out, and in the mean time, I found an appropriately sized cardboard box and cleaned out the wood stove.
Once mixed, I placed it in the coop and waited to see what the chickens would do.
And then the rest.
To my dismay, they were more interested in eating the sand out of the box than they were in bathing in it. Hmm. Wasn't all that grit I gave them good enough? I decided to wait and see if they figured it out later.
I finally found one chicken dustbathing in the box, but also discovered that the real dustbath action was elsewhere in the coop,