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beds into tractor trails and landings. 



6. Never tractor skid in any streambed. 



7. Where stream crossings are necessary, pick locations requiring a 

 minimum of streambank disturbance and soil displacement. Chunk 

 upstream crossings with logs when necessary. Remove logs when 

 finished. Cross only at right angles. 



8. Remove unl imbed logs and tops from streams for limbing and bucking 

 on landings. 



9. Deposit excess material from landing and skid trail construction 

 in such locations that it will not get into or be washed into 

 streams. 



10. Shut down tractor logging during periods of heavy prolonged rain 

 when permanent soil damage or stream water turbidity may be the 

 direct result. Modify as required by soil type. 



11. Do not dump waste oil in such a location that it can find its way 

 into any stream. 



12. Use extreme care to avoid fuel spillage during refueling. 



13. Leave-strips shall be provided along all streams. The leave-strips 

 on each side of the stream shall be at least equal in width to the 

 width of the stream channel. Only merchantable timber shall be 

 harvested within the leave-strips. Yarding from within the leave- 

 strips shall occur as soon as possible after felling. 



14. While transporting logs across streams, logs shall be fully sus- 

 pended above the stream. 



15. If debris should enter any stream, such debris shall be removed con- 

 currently with the yarding operation and before removal of equipment 

 from the project site. Removal of debris shall be accomplished 



