Modern dredging equipment may be divided into four main classes. The grab dredge is used where the amount of excavation is relatively small. It consists of one or more grab buckets, operated by cranes mounted on a vessel or barge or sometimes on the shore. Each bucket has jaws that are hinged together.
This boat is a 1976 18 ft. Landau ALL WELDED jon boat. It is 76 inches at the top and 58 inches at the bottom. It is very stable in all water conditions and the extra wide bottom drafts very little water so you can get in the shallows where the ducks want to be. It has a removable boat seat with a swivel chair. The wide open floor plan is perfect for hunting or fishing.
Transportation. 1  The Umiaq/Angyaq is a large open skin boat, 15 - 25 feet long (although some are nearly 50 feet from Kotzebue area). 2  The kayak, a closed skin boat, is typically for one person. 3  The basket sled is used for land travel. 4  Snowshoes are used in interior regions (e.g., Kobuk River valley).