contours to as near the original conditions as possible, reestab- 

 lish original surface drainage patterns, and remove imported or 

 excess fill materials from the refuge as specified by the land 



manager. 

 Restoration. 



U-16M The permittee shall take such measures to prevent soil erosion 

 from starting within the ( type of ) site as the land manager may 

 prescribe and shall take such other conservation measures, 

 including restoration of disturbed ground surfaces, weed control, 

 and the revegetation of the rights-of-way with native plants, 

 as may be requested by the land manager. 



U-59P Upon completion of exploratory drilling, gas and oil produc- 

 tion, pipeline repair, and oil and brine spill cleanup, the 

 permittee shall excavate and dispose of soils contaminated with 

 brine, oil, drilling mud, or other deleterious substances and 

 shall replace such soils with uncontaminated soils of similar 

 type, fertility, texture, and horizon origin. 



U-60P Site soil restoration shall include the discing, plowing, or 

 fragmentation of all compacted soil surfaces to a depth of not 

 less than ( desired depth ) cm. 



U-61P In the installation of buried pipelines and major flowlines, 

 the permittee shall, whenever possible, strip, separately 

 store, and when line installation and burial is completed, 

 replace the topsoil uniformly to its original position in the 

 soil profile. 



U-62P Site soil restoration shall include mulching and fertilizing; 

 the type, rate of application, and number of applications shall 

 be specified by the land manager. 



U-64P Following completion of restoration procedures, the land manager 

 may conduct an on-site inspection to verify that restoration or 

 mitigation of any environmental damages has been satisfactorily 

 completed and may, at that time, require additional conservation 

 measures necessary to satisfy the land manager. 



U-66P Prior to starting extensive restoration field work, the permit- 

 tee shall meet with the land manager and provide specifications 

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

 features to be restored, points of alterations, and access routes; 

 (2) information concerning sizes, types, and numbers of equipment 

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



328 



