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| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion:effects of forestry practices (polluted water) |
| Location: | Alaska; Prince of Wales Island; Calder Bay |
| Description: | Cat crossing just below spar pole. This jam may be 50-50 nature & logging. Most of this stream is much coarser gravel than this. |
| Date: | 8/9/1950 |
