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Published May 08, 2010, 12:00 AM

Self-propelled rock picker

Mel Aho, a native of Sebeka area, who lives near Vancouver, Wash., led development of a self-propelled rock picker that can dig field rock at about 3 mph and dump 10 yards of field rock in about 8 minutes. (Mikkel Pates/Forum Communications Co.)
Read the article: Developers of self-propelled rock picker conducting demonstrations in Sebeka area