Montana StatutesCHAPTER 18. REAL PROPERTY -- ACCESSION FIXTURES AND WATERCOURSESPart 1. Fixtures70-18-101. Fixture attached by other -- accession by owner.70-18-102. Removal of fixture by tenant.Part 2. Watercourses70-18-201. Alluvion or accretion -- increase of bank.70-18-202. Sudden removal of bank -- right of owner to reclaim.70-18-203. Island formed in navigable stream.70-18-204. Island formed in nonnavigable stream.70-18-205. Island formed by division of stream.