Chapter 4: Drought Patterns in the Conterminous United States, 2012
| Authors: | Frank H. Koch, William D. Smith, John W. Coulston |
| Year: | 2015 |
| Type: | General Technical Report |
| Station: | Southern Research Station |
| Source: | In: Potter, Kevin M.; Conkling, Barbara L., eds. 2015. Forest health monitoring: national status, trends, and analysis 2013. General Technical Report SRS-207. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. |