**Glossary for Navigability Report©** Allodial: from allodium - an estate held indefinitely or for potentially indefinite duration. Appropriated: to be set apart for or assign to a particular purpose or use. Boatable: capable of being floated by recreational craft. Dispositive: from disposition - a final settlement or determination. Floatage: the act of floating; often refers to transport of commercial goods. Impoundment: obstruction, e.g. dam. Laws of the Partidas: the prior existing Spanish laws that the New Mexico Constitution is based on. Riparian: relating to the bank of a natural watercourse. Riverine: relating to a river. Silviculture: a branch of forestry dealing with the development and care of forests. Subaqueous: underwater. Trotline: a comparatively short setline used near shore or along streams. Setline: a long heavy fishing line to which several hooks are attached in series. Usufructuary: from usufruct - a right to use and enjoy another's property without damaging or diminishing the property. Watercourse: natural or manmade channel through which water flows.