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Question Answered step-by-step please write properly please write properly Image transcription textObjective: To prepare a hydrographic map of a lake or a reservoir. A hydrographic map is the final product of ahydrographic survey. In the case of subsurface surveys for engineering requirements the end result may becalculation of water volume contained in a body of water such lakes or reservoirs, amount of dred… Show more… Show more  Engineering & Technology Civil Engineering Share QuestionEmailCopy link Comments (0)