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C. All disturbed areas shall be revegetated using state seed mixes compiled by the Minnesota Board of Water and Soil Resources. All seed and plant materials shalt be certified weed-free. Weed-free straw or hay shall be used for mulching and erosion control. Native species plants should be used, whenever possible, to revegetate disturbed areas. This revegetation should occur as early in the season as possible to permit adequate regrowth. D. The Licensee shall monitor revegetation at state water crossings until the site is stabilized and the vegetation is self sustaining. Where severe or repeated damage is occurring or where measures have not been successful, preventative and corrective actions shall be taken by the Licensee, including construction of appropriate barriers, installation of warning signs, and other methods in consultation with the State. E. The Licensee shall routinely inspect for erosion that may develop during the term of the license. Areas of erosion shall be stabilized by the Licensee. F. If a. disturbed area cannot be stabilized with vegetation before September 15 in the year that the utility was installed, the Licensee shall submit a written site stabilization plan to the State for approval. This plan shall describe erosion control, mulching, dormant seeding and monitoring. Seeding shall occur as soon as soil conditions are suitable, G. Excavated materials shall not be deposited or stored alongside a public water in a manner where the materials can be redeposited into the public water by rreasonably expected high water or storm run-off 16. Invasive Species: A.. The Licensee shall inspect all state water crossings for the presence of invasive species and noxious weeds prior to commencing clearing activities and take action to prevent their spread. If invasive species are known to be present, the State shall identify on a map the known infested sites to be avoided. B. If the State or the Licensee discover additional invasive species infestation areas on state water crossings during construction, the Licensee shall immediately take action to prevent spread from the newly discovered infested area and then consult with the State on a resolution. C. The Licensee shall prevent invasive species from entering into or spreading within a state water crossing by cleaning equipment and clothing prior to arriving at the license area. The Licensee shall legally dispose of material cleaned from equipment and clothing at a location offsite and the materials must be secured prior to transport to avoid dispersal. D. Whenever possible, parking, staging areas and travel routes shall not be within known infested sites. Where there are multiple state water crossings and at least: one contains invasive species, the Licensee shall to the extent practicable start work at the site with the fewest number of invasive plants, leaving the most heavily infested sites to last. The Licensee shall make every effort to schedule operations and site visits to avoid the spread of weed seed. E. The Licensee shall continue to control invasive species on state water crossings for the terms of the license using methods approved by the State. 17. Crossing of State Trail: A. The Iocation of any crossing of a state trail must be approved in advance by the State. The State may provide written instructions as to specific construction standards to be followed for the crossing of the state trail. B. Utility installation and maintenance activities shall be conducted in a manner so as to minimize disturbance of state trail use and to separate the public from work areas. The Licensee must provide signs to warn state trail users of construction hazards. C. The Licensee is responsible for repairing any damage to the state trail in a manner satisfactory to the State. D. Underground installations must not damage or destroy the principle root structure of specimen trees. Prior approval must be obtained from the State for the cutting or trimming of trees within the state trail right-of- way. ight-ofway. E. The Licensee shall notify the State in advance of its intent to perform any installation or maintenance operations within the state trail right-of-way. The Licensee may not close the state frail right-of-way without the prior written approval. of the State. 18. Maintenance and Repairs: A. Emergency repairs and replacements may be trade without prior notification to the State by the Licensee according to conditions and standards prescribed by Minnesota Rules, Chapter 6135 and the method of installation identified in this license. The Licensee shall notify the State of this activity as soon as practicable. B. The Licensee shall employ appropriate erosion and sedimentation measures at the site during any emergency repairs. The State must approve plans for restoration of the site after the emergency repairs are conducted. C. At least 20 days prior to commencing any routine maintenance work on state water crossings subject to this license, the Licensee shall notify the State in writing of the extent and method of maintenance and proposed schedule. The Licensee shall include a specific description of the proposed maintenance activities including 3