SMALL HYDRAULIC INFRASTRUCTURES, MAJOR ENVIRONMENTAL ISSUES: ASSESSMENT OF EXISTING CULVERT USING HY-8 SOFTWARE ArticleRakeb W.M.ESPI–2023 ENVIRONMENTAL STUDIES AND PROTECTION ISSUES — 2023 Proceedings of the International Youth Scientific and Academic Conference. Moscow, April 21, 2023: In Two Parts: PART 1. 2023. С. 39-45