By the term "land under water" is meant all land under any navigable waters of this state extending from high-water mark, or from the meander line where the shores of lakes or streams have been meandered, to the lake or stream.
Mont. Code Ann. § 85-16-104
Land under navigable water
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.