Brownie Beaver in "Sticks And Mud"

so Brownie found that part of his work to be quite easy.

He had chosen that spot in the center of the pond because there was something a good deal like an island there only it did not rise quite out of the water. A good, firm place on which to set his house
Brownie Beaver considered it.

While he was building his house Brownie gathered his winter's food at the same time.