21 Items

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  • Creator is exactly "Agricultural Research Service, United States Department of Agriculture"
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USDA-ARS Screwworm Research, Chiapa de Corzo, Mexico

Description: On back, "The Breeding Edge" ; from Paul T. Stanford items

Creators: Agricultural Research Service, United States Department of Agriculture

Date: ca. 1984

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Questions and Answers About Screwworm Eradication

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1962-11

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Photograph of raccoon

Description: Attached, memorandum, Baumhover to Bushland, January 26, 1952

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1952-01-22

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Screwworm Stronghold Attacked

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1963-01

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No Las Destruya!

Creators: Agricultural Research Service, United States Department of Agriculture

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Mission '77 Stamp Out Screwworms

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1977

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Concentration of Laboratory Confirmed Screwworm Cases: United States-Mexico, Calendar Year 1975

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1975-01-01

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Slide of aerial photograph of Tuxtla Gutierrez

Creators: Agricultural Research Service, United States Department of Agriculture

Date: 1972

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Photograph of plane releasing boxes

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph of Edward F. Knipling with colleagues inspecting pupae on conveyor belt

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph of Edward F. Knipling with colleagues inspecting larvae trays

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph of Edward F. Knipling with colleagues inspecting ground meat

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph of sterile flies packaged in paper bags for aerial release

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph "Flies From Irradiated Pupae Were Permitted to Emerge in Special Paper Bags and Held Until Released

Description: Control of screwworm fly

Creators: Agricultural Research Service, United States Department of Agriculture

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Photograph "Cobalt 60 Source Employed in Irradiating Pupae of the Screwworm Fly

Description: Control of screwworm fly

Creators: Agricultural Research Service, United States Department of Agriculture

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