We all Burrowed into the ground.
"The Desert of Wheat"
Zane Grey
Now the three fat toads had also smelled the spring down in a soft spot under the lawn, whither, in the previous autumn, they had Burrowed for their winter sleep.
"A Little Brother to the Bear and other Animal Stories"
William Long
Yet, now and then, small holes were Burrowed through the snow wall by the sharp wind.
"My Attainment of the Pole"
Frederick A. Cook