Arthur King, Soil Specialist At Oregon State College, Demonstrates How To Build A Flume, Circa 1930 - Original Collection: Extension Bulletin Illustrations Photograph Collection (P 020) Item Number: P020:843 You Can Find This Image By Searching For The Item Number By Clicking Here. Want More? You Can Find More Digital Resources Online. We're Happy For You To Share This Digital Image Within The Spirit Of The Commons; However, Certain Restrictions On High Quality Reproductions Of The Original Physical Version May Apply. To Read More About What “no Known Restrictions” Means, Please Visit The Special Collections & Archives Website, Or Contact Staff At The OSU Special Collections & Archives Research Center For Details. Photo