Hand-pulling

Keywords.Activities.Hand-pulling, Keywords.People.Frank Zarate, Keywords.Places.Nevada Co.Fairgrounds, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.2005

Keywords.Activities.Drop Screen Treatment, Keywords.Activities.Hand-pulling.Shovel and Sift, Keywords.People.Researcher(s),Crew, Keywords.Places.Nevada Co.Fairgrounds, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.2005

Keywords.Activities.Hand-pulling, Keywords.People.Howell, Keywords.People.Kreps, Keywords.Photographers.Robert G Donley, Keywords.Places.Los Angeles County.San Jose Creek (near the San Gabriel River), Keywords.Weeds.Alligatorweed (Alternanthera philoxeroides), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1972

Keywords.Activities.Hand-pulling, Keywords.People, Keywords.Places.Imperial County.All-American Canal, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1980

Keywords.Activities.Hand-pulling, Keywords.People, Keywords.Places.Imperial County.All-American Canal, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1980

Keywords.Activities.Hand-pulling, Keywords.Activities.Swimming, Keywords.People.Researcher(s),Crew, Keywords.Places.Chowchilla River, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated

Keywords.Activities.Hand-pulling, Keywords.Places.Chowchilla River.Grupe Swimming Pond, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1989

Keywords.Activities.Hand-pulling, Keywords.People.Eric Nupert, Keywords.People.Frank Zarate, Keywords.Places.Eastman Lake, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1990

Keywords.Activities.Hand-pulling, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated