Gravity Preexploration 

 General . 



S-21M Prior to initiating any field work, permittee shall meet with 

 the land manager and provide specifications of the operation 

 including, but not limited to: (1) maps showing locations of 

 stations, routes of access and travel, and equipment storage 

 areas; (2) information concerning sizes, types, and numbers of 

 equipment to be used; and (3) a time schedule. The permittee 

 shall agree to a reasonable adjustment of schedule, stations, 

 or support equipment in order to minimize the disturbance of 

 water flows, critical plant assemblages, unique natural areas, 

 important wildlife areas, or other desirable ecological features. 

 All activities are confined to those areas as finalized on the 

 attached maps. 



Timing of activities. 



S-22 Must have survey completed by October 15 (Exact date will vary 

 with species of concern and with location of refuge.) 



Effects on wildlife. 



S-23M Permittee shall not harass or disturb any wildlife during any 

 phase of the gravity survey. Should it appear necessary to 

 alter a nest, bed, den, or home, all operations shall be halted 

 until the land manager grants approval or provides for an accept- 

 able alternative. 



Vehicle movement. 



S-IP A maximum of one surface vehicle may be used during the survey. 

 The vehicle must consolidate all passages across the marsh and 

 must not run over the same trail twice. 



Cleanup and restoration. 



S-25M Permittee shall report in writing to the land manager unantici- 

 pated damages to waterflow regimes, vegetation, wildlife, and 

 all other physical, biological, or chemical elements of the 

 refuge. At the option of, and in a manner determined by, the 

 land manager, the damages will be repaired to his satisfaction 

 immediately following completion of the survey. All costs are 

 to be borne by the permittee. 



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