http://www.durgan.org/URL/?UVVUJ 26 July 2011 Blueberry Picking and Processing into Juice.
Twenty two pounds of Blueberries were picked at a commercial farm, and pressure canned. They were priced at $2.75 per pound. Procedure was to wash, cook slightly, make into a mash and strain the fiber from the juice and Pressure Can at 12 PSI for 25 minutes. A total of 17 liters of juice was obtained.