2021-12-07_REVISION - M2012032 (13)

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Total volume (in cubic yards) and type(s) of material proposed to be dredged from or discharged into Waters of the United States: Material Type Total Volume Dredged Total Volume Discharged Rock Slope Protection (RSP) Clean spawning gravel River rock Soil/Dirt/Silt/Sand/Mud Concrete Structure Stumps/Root wads Other: Waste Rock Estimated 677 cubic yards Tota 1: Activity requires a written waiver to exceed specified limits of the Nationwide Permit? ❑ Yes ❑ No If yes, provide Nationwide Permit number and name, limit to be exceeded, and rationale for each requested waiver: Activity will result in the loss of greater than 1/2-acre of Waters of the United States? ❑ Yes ❑ No If yes, provide an electronic copy (compact disc) or multiple hard copies (7) of the complete PCN for appropriate Federal and State Pre-discharge Notification (See General Condition#31, Pre-construction Notification, Agency Coordination,Section 2 and 4): Describe direct and indirect effects caused by the activity and how the activity has been designed (or modified) to have minimal adverse effects on the aquatic environment (see General Condition #31, Pre- construction Notification, District Engineer's Decision,Section 1): This project will impact 0.21 acres of non-wetland waters of the Revenue Pond. In order to store large quanities of waste rock this is the only logical location to impact the least amount of Waters of the U.S. Construction will not disturb the adjacent wetlands. Fill into Sneffels Creek or Atlas Creek will not take place. Erosion control measures and best management practices will be employed throughout the construction process. Potential cumulative impacts of proposed activi (if any): Required drawings and figures (see each U.S.Army Corps of Engineers District's Minimum Standards Guidance): Vicinity map: ® Attached (or mail copy separately if applying electronically) To-scale Plan view drawing(s): ® Attached (or mail copy separately if applying electronically) To-scale elevation and/or Cross Section drawing(s): ® Attached (or mail copy separately if applying electronically) Numbered and dated pre-project color photographs: ❑ Attached (or mail copy separately if applying electronically) Sketch drawing(s) or map(s): ❑ Attached (or mail copy separately if applying electronically) Has a wetlands/waters of the U.S. delineation been completed? ❑ Yes, Attached (or mail copy separately if applying electronically) ❑ No If a delineation has been completed, has it been verified in writing by the Corps? ❑ Yes, Date of preliminary or approved jurisdictional determination (mm/dd/yyyy): 8/20/2013 Corps file number: 201200953 ❑ No 'If available provide ESRI sha efiles NAD83 for delineated waters Page 4 of 10 Revised March 21,2012. For the most recent version of this form,visit your Corps District's Regulatory website.