The park also has mooring anchors for boats to overnight in some inlets on Georgian Bay.

In the mid-19th century, numerous modifications were attempted to alleviate these problems, as well as improve holding power, including one-armed mooring anchors.

Bruce Anchor Co has its primary role in the very large anchor business, producing mooring anchors and permanent installation types for heavy industry, such as oilrigs.

She inspected the nets, repaired and replaced worn parts and buoys, and freed mooring anchors and an occasional ship fouled in the nets.

During some recent resurfacing work on the east pier of Dún Laoghaire harbour, the permanent mooring anchor of the Essex was discovered embedded in the pier.

The wreck has deteriorated in the past few years due to damage done by mooring anchors of the remains, but also the depletion of marine life in the area due to overfishing.

Semi-permanent mooring anchors (such as mushroom anchors) and large ship's anchors derive a significant portion of their holding power from their mass, while also hooking or embedding in the bottom.

The western (Mombasa) approach to the bridge is the only remaining part of the bridge but one of the pontoon mooring anchors is on nearby display at the Tamarind Restaurant.

As such, FLUPA has installed and maintains two marked and lighted buoys which include mooring anchors to protect the underwater structures from damage by boats dropping their own anchors.

Mr. O'Rourke and his dockmaster, Capt. Michael T. Byarard, gazed yesterday at the damage: seven uprooted pilings, several damaged docks and 15 heavy mooring anchors dragged down the river to oblivion.

Petty Officer Mike Lutz, a spokesman for the Coast Guard, said yesterday that many buoys marking channels in the Hudson and in New York Harbor had been pulled off course, along with their mooring anchors.

Many modern moorings still use a large rock as the mooring block.

A permanent anchor is called a mooring block and is not easily moved.

It is difficult to find the original layout of the airfield from remains but there are still some concrete floors, mooring blocks and other massive bits of concrete within the trees.