Then he hurried on to the next cove and a spot well above an obvious high-tide mark.

A large dune system has formed past the high-tide mark.

The high-tide mark was a good eight feet above his head.

The high-tide mark was now close to the seventy-five foot level.

The waves had buried the previous high-tide mark at least a dozen meters back.

"This part must be above the high-tide mark," Jupiter said.

In 1904 and 1905, gold was found in old beaches above the high-tide mark.

A dark line, the high-tide mark, cut across the rocks a quarter of the way up.

The first line of buildings was only four hundred meters from the high-tide mark.

The high-tide mark on this beach was a long way from threatening the eggs.