Rangeland Ecology & Management

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Gravel Cobble Stones

As defined in Soil Taxonomy (Soil Conservation Service 1975): Gravel (2 mm-7.5 cm or 3 inches), cobble (7.5-25 cm; 3-10 inches), stones over 25 cm; 10 inches ). (Note: For standard range inventory procedures it is recommended that gravel smaller that 5 mm in diameter be classed as bare ground in cover determinations.)

Society for Range Management. 1998. Glossary of terms used in range management, fourth edition. Edited by the Glossary Update Task Group, Thomas E. Bedell, Chairman. Used with permission.