Relative achievements in supervised farm practice in the San Luis Valley, Colorado

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Hopkins, Leon L., author

Schmidt, G. A., advisor

Howard, Carl G., committee member

Aspinwall, Lloyd E., committee member

Epp, A. W. (Abram W.), committee member

Duffey, T. L., committee member

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Agriculture -- Study and teaching

Agricultural education -- San Luis Valley (Colo. and N.M.)