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A Posadas
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cdfaweeddatabase0367.tif
Keywords.Photographers.A Posadas, Keywords.Places.Marin County, Keywords.Weeds.Ratings.A Rated, Keywords.Weeds.Thistles.Plumeless Thistle (Carduus acanthoides), Keywords.Year.1983
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cdfaweeddatabase0381.tif
Keywords.Activities.Herbicide Application Methods.Spraying, Keywords.Activities.Herbicides.Vapam, Keywords.Photographers.A Posadas, Keywords.Places.San Diego County.Murray Reservoir.Vapam Test Plots, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase0382.tif
Keywords.Activities.Herbicide Application Methods.Spraying, Keywords.Activities.Herbicides.Vapam, Keywords.Photographers.A Posadas, Keywords.Places.San Diego County.Murray Reservoir.Vapam Test Plots, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase0383.tif
Keywords.Activities.Herbicide Application Methods.Spraying, Keywords.Activities.Herbicides.Vapam, Keywords.Photographers.A Posadas, Keywords.Places.San Diego County.Murray Reservoir.Vapam Test Plots, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Hydrilla (Hydrilla verticillata).After Treatment.By.Vapam, Keywords.Weeds.Hydrilla (Hydrilla verticillata).After Treatment.Time Elapsed.12 days, Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase0603.tif
Keywords.Activities.Drawdown and Draining, Keywords.Activities.Septic Method (?), Keywords.Photographers.A Posadas, Keywords.Places.Los Angeles County.CalTech, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1980
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cdfaweeddatabase0604.tif
Keywords.Activities.Drawdown and Draining, Keywords.Activities.Septic Method (?), Keywords.Photographers.A Posadas, Keywords.Places.Los Angeles County.CalTech, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1980
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cdfaweeddatabase3839.tif
Keywords.Activities.Herbicide Application Methods.Vapam Preparation, Keywords.Activities.Herbicides.Vapam, Keywords.People.Cindy Richmond, Keywords.Photographers.A Posadas, Keywords.Places.Kings County, Keywords.Weeds.Alligatorweed (Alternanthera philoxeroides), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1979
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cdfaweeddatabase3840.tif
Keywords.Activities.Hydrilla Eradication Training, Keywords.Photographers.A Posadas, Keywords.Places.San Diego County.Murray Reservoir, Keywords.Year.1979
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cdfaweeddatabase3889.tif
Keywords.Photographers.A Posadas, Keywords.Places.San Diego County.Murray Reservoir, Keywords.Weeds.Hydrilla (Hydrilla verticillata).Tubers and Specimens, Keywords.Weeds.Ratings.A Rated
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