Keywords: FMIB 38316 Illustrating wasteful cutting practiced in earliest stages of fresh-water pearl-button manufacturing industry.jpeg check categories 26 August 2015 2 Illustrating wasteful cutting practiced in earliest stages of fresh-water pearl-button manufacturing industry Subject Shells--Industry and trade Pearl button industry Pearl button industry Tag Shellfish 1921 Cite book Fresh-water Mussels and Mussel Industries of the United States Coker Robert E Washington DC Government Printing Office 1921 Bulletin of the United States Bureau of Fisheries vol 36 1917-1918 Plate XLIII Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38316 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Shell buttons |