James Thomas

Keywords.Activities.Herbicide Application Methods.Injection, Keywords.Activities.Herbicides.Vapam, Keywords.People.James Thomas, Keywords.Photographers.V Van Way, Keywords.Places.San Diego County.Murray Reservoir.Vapam Test Plots, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1983

Keywords.Activities.Herbicide Application Methods.Aerial Application (Helicopter), Keywords.Equipment.Herbicide Application Equipment.Helicopters, Keywords.People.James Thomas, Keywords.People.Walter Ball, Keywords.Places.Sutter County, Keywords.Year.1948