Scope and ContentCollection of papers associated with growing blueberries and hydrangeas as commercial crops including: Bylaws of Michigan Blueberry Growers Association, undated 1938-1941 blueberry growers letters, minutes, reports 1940 letters between R.W. Ackerman of the Ackerman Nursery in Bridgman, MI; a blueberry farmer D.A. Byrd of Lacoata, MI and V.D. Angerman of Science and Mechanics magazine of Chicago, IL. 1940 letter from Milprint Incorporated of Milwaukee, WI to D.A. Byrd about printing cellophane wraps for blueberry pints [see 2010.04.03] 1940 recommendations of the packaging and marketing committee 1940 Blueberry cooperative association shipments of blueberries from Michigan statistical report. 1954 Great Lakes News - a Michigan Blueberry Growers Association newsletter, 1958 Northern Area Blueberry Growers meeting memo Undated Michigan State College South Haven Experiment Station notes on blueberry culture Brochure for The Mott Hammerknife Mower An unrelated to blueberries letter to Charles W. Mann of Saugatuck from Alex Laurie, professor of floriculture, Ohio State University, about growing hydrangeas for the florist trade, dated 1947