I am working on a master drainage project for a city and I'm looking for some tips and suggestions for how to most efficiently use WMS. I am somewhat new to the program and I'm not quite sure how to accomplish what I want to model. Mostly, I will need to model master drainage channels and large storm drain pipes within the watershed. What is the best, most efficient way to input this data? We would also like to model the major culvert passings and road embankments. To further complicate things we are only modeling a portion of the city and there is another city uphill of this one whose drainag