Its mean width was only 147 feet, and the rocky precipitous cliffs at half a mile from the sea rose above their base 138 feet.

These deep valleys undoubtedly afford water at all seasons of the year.
The sandstone formation is intersected in all directions by valleys of this kind, which are seldom more than from two to three miles apart, while the top of the range between them is a tableland, divided by lateral valleys and gently rising towards the interior.

Seawards they all terminate in saltwater creeks, having the same narrow, rocky, and precipitous character as they present themselves.
These tablelands afford good timber, particularly pine.

Sheep thrive upon the food there produced, but we found goats did not answer so well.
The richest land in this part of the country is found in the valleys of the second class.

The streams flowing through these valleys have generally almost imperceptible currents and often form wide reaches.