Water authorities are required to have a survey of large woody debris (LWD) in river channels and to manage this aspect of the stream habitat. making decisions on removing. positioning or leaving LWD in a natural state. The main objective of this study is to develop a new methodology that assists in decision making for sustainable management of river channels by using generated low-cost. https://www.spidertattooz.com/Bolt-Action-San-Marco-Marines-Infantry-Section/