| Area | Basin-wide/General |
| Topic | USFS Tree Size Classes: Upper Marshall Cr CalWater 1994 |
The image above is from the KRIS Gualala Map project and shows South Fork basin vegetation as interpreted from a 1994 Landsat image by the U.S. Forest Service Remote Sensing Lab in Sacramento. The Ohlsen Formation underlies the southeastern part of the South Fork Gualala basin, which is associated with Non-Forest and Saplings vegetation signatures. A few Very Large or Large Trees remain in the Middle South Fork Calwater, where there has been less recent active timber harvest.
Click on image to enlarge (103K).
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