[[File:Wentworth-Grain-Size-Chart.pdf.jpg|{{figure number|1}}Wentworth grain size chart from United States Geological Survey Open-File Report 2006-1195]] | [[File:Wentworth-Grain-Size-Chart.pdf.jpg|{{figure number|1}}Wentworth grain size chart from United States Geological Survey Open-File Report 2006-1195]] |