For additional information concerning the data contact:
| Garry L. Schaefer | Don Huffman | David Bosch |
| USDA-NRCS, NWCC | USDA-NRCS,NWCC | USDA-ARS,SEWRL |
| (503)414-3068 | (503)414-3032 | (229)386-3899 |
| gschaefer@wcc.nrcs.usda.gov | dhuffman@wcc.nrcs.usda.gov | david.bosch@usda.gov |