i'm from s.f. puc. here i have a map of ss puc's properties that contain mostof our trees . much of the land we own in san francisco offers credit for the operations of our utility systems. we don't have a lot of street trees but we do have vegetation and trees in the public facing parts of ourfacility . we have approximately 4000 trees and half of which are at lake murray said and as we spoke about earlier they are maintained byreference parks . >> you so much. i know the colonel will look into this but how much the work order is to wreck and park and how much of that work order is for tree maintenance and removal and reforestation. >> i don't have that off the top of my head but we can look into it. okay. our responsibilities are focused on trees updated on sf pc properties. many of them which are in watersheds or reservoirs. we also evaluate trees and take actions as part of our operational maintenance or as part of our water power and wastewater capital projects . and i'm going to go over and show youexamples of properties . here's a list of our big locations so lake mer