Miss. Code Ann. § 29-15-1: Miss. Code Ann. § 29-15-1

(a) “Commission” means the Mississippi Commission on Marine Resources.

(b) “Local tidal datum” means the datum established for a specific tide station through the use of tidal observations made at that station.

(c) “Mean high water” means the arithmetic mean of all the high waters occurring in a particular nineteen-year tidal epoch period; or for a shorter period of time after corrections are applied to the short term observations to reduce these values to the equivalent nineteen-year value.

(d) “Mean high water line” means the intersection of the tidal datum plane of mean high water with the shore.

(e) “Mean high water survey” means a survey of the intersection of the shoreline with the tidal datum plane of mean high water using local tidal datums and surveying methodologies approved by the commission. Methodologies shall include but not be limited to the “staking method,” “the topographic method” and “tide coordinated aerial photography.”

(f) “National map accuracy standards” means a set of guidelines published by the Office of Management and Budget of the United States to which maps produced by the United States government adhere.

(g) “Submerged lands” means lands which remain covered by waters, where the tides ebb and flow, at ordinary low tides.

(h) “Tidelands” means those lands which are daily covered and uncovered by water by the action of the tides, up to the mean line of the ordinary high tides.