Janet B said in
rec.pets.dogs.breeds:

Even though the patio was
covered by only 1' of snow under the deck, he KNEW there
was pavement under there and no way was he using it.

That's the problem I have with new guest dogs - snow is snow and
they don't know whether snow has grass under it or concrete.
Hopefully the snow absorbed it well and the odour will wash away
with the next melt.

--
--Matt. Rocky's a Dog.