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Filtering by: Creator Ewing, H. E. (Henry Ellsworth), 1883

The common red spider or spider mite

Creator:

Oregon Agricultural College. Experiment Station and Ewing, H. E. (Henry Ellsworth), 1883

Abstract:

Published August 1914. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report
Some external parasites of poultry

Creator:

Ewing, H. E. (Henry Ellsworth), 1883 and Oregon Agricultural College. Extension Service

Abstract:

Published 1913. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report