Soil and Water Conservation Meeting (1944 : Pasadena, Calif.)
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creatorOf | Parshall, R. L. (Ralph Leroy), 1881-. Sand trap devices for irrigation channels, 1944 / by R.L. Parshall. | Water Resources Collections and Archives |
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associatedWith | Parshall, R. L. (Ralph Leroy), 1881- | person |
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