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.
Need space in an economical small water fishing boat? The WIDE JON is available in both 14â² and 16â² lengths to fit your needs. So whether you are heading for the river, a small lake or a pond, either of the WIDE JON boats will be perfect for your fishing trips.
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).