SMALL HYDRAULIC INFRASTRUCTURES, MAJOR ENVIRONMENTAL ISSUES: ASSESSMENT OF EXISTING CULVERT USING HY-8 SOFTWARE Article Rakeb 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. РУДН. 2023. P. 39-45