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An ecological study of the insects of Crater Creek, Colorado
(University of Missouri--Columbia, 1916)
at the Zoological Laboratory of the University of Missouri....
An investigation of the dipping and fumigation of nusery stock
(University of Missouri--Columbia, 1917)
Text from page 3: While engaged in the work, many problems, confronting the nurserymen, concerning the eradication of San Jose scale from nursery stock, have been brought to his attention. As a result, a number of experiments have been made to test...