| Online link | https://doi.org/10.3133/ofr2000188 |
|---|---|
| Description | Grid data files along with maps in PDF and PostScript accompany this report |
| Originators | Blakely, Richard J., Langenheim, Victoria E., Ponce, David A., Dixon, Gary L. |
| Publication | U.S. Geological Survey Open-File Report 00-188 |