1.   This enormous canyon is over a mile deep.

2.   It is drilling wells more than a mile deep in which to put equipment to measure earth movements, and it is monitoring faults under the ocean.

3.   Pezim recalled that his discovery of the Hemlo deposit, a mile square and a mile deep, came after other mining companies abandoned the search.

4.   The job is one of several that have recently sailed into east Texas, as energy companies scramble for rigs that can operate in waters over a mile deep.

5.   The ocean was absurdly blue, perhaps because the channel between here and the Big Island is more than a mile deep in places.

6.   This grand canyon is more than a mile deep and nine miles across at its widest point.