Page 1 of 7
1981
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cdfaweeddatabase0230.tif
Keywords.Photographers.R A O'Connell, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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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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cdfaweeddatabase1817.tif
Keywords.Activities.Herbicide Application Methods.Spraying, Keywords.Activities.Herbicides, Keywords.Equipment.Herbicide Application Equipment, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase1818.tif
Keywords.Activities.Herbicide Application Methods.Spraying, Keywords.Activities.Herbicides, Keywords.Equipment.Herbicide Application Equipment, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase1819.tif
Keywords.Activities.Herbicide Application Methods.Measuring Amounts, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase1820.tif
Keywords.Activities.Dredging, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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cdfaweeddatabase1821.tif
Keywords.Activities.Dredging, Keywords.Places.Imperial County, Keywords.Weeds.Hydrilla (Hydrilla verticillata), Keywords.Weeds.Ratings.A Rated, Keywords.Year.1981
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