%0 Technical Report %T A description of some Oregon rocks and minerals : 4-H leader guide %A Brown, Lawrence L.; Holroyd, Michael H.; Dole, Hollis M. %8 2011-09-09 %I Corvallis, Or. : Extension Service, Oregon State University %R http://localhost/files/sf268523f %G http://id.loc.gov/vocabulary/iso639-2/eng %[ 2022-04-14 %9 Learning Object %~ ScholarsArchive@OSU %W Oregon State University