Table of Contents — Exhibit 7, Item 23
<br />Erosion and Sediment Control Plan for the Collom Area
<br />Parts J - M
<br />Part J, Sediment Control System For Initial Facilities Disturbance Area
<br />IntroductoryText.......................................................................................................... Exh. 7-23J-1
<br />Exh. 7-23, Figure J1, East Side Model, Initial Disturbance ......................................... Exh. 7-23J-4
<br />Exh. 7-23, Figure J2, Coal Stockpile Pond Design Information .................................. Exh. 7-23J-5
<br />SEDCAD model for Initial Disturbance with Pond Included, 10 Year, 24 Hour
<br />........ Exh. 7-23J-6
<br />SEDCAD model for Initial Disturbance with Pond Reduced, 10 Year, 24 Hour
<br />...... Exh. 7-23J-32
<br />SEDCAD model for East Side Initial Disturbance, 25 Year, 24 Hour ....................... Exh. 7-23J-58
<br />Part K, Sediment Control System For Temporary Facilities Pond
<br />SEDCAD model for East Collector Ditch, 10 Year, 24 Hour ..................................
<br />IntroductoryText.........................................................................................................Exh. 7-23K-1
<br />Exh. 7-23, Figure K1, Temporary Facilities Pond, Temporary Facilities Area ..........Exh. 7-23K-3
<br />Exh. 7-23, Figure K2, Temporary Facilities Pond Design ..........................................Exh. 7-23K-4
<br />SEDCAD model for Temporary Facilities Pond, 10 Year, 24 Hour ...........................Exh. 7-23K-5
<br />SEDCAD model for Temporary Facilities Pond, 25 Year, 24 Hour .........................Exh. 7-23K-17
<br />Part L, Wilson Storage Pond
<br />IntroductoryText......................................................................................................... Exh. 7-23 L-1
<br />Exh. 7-23, Figure L1, Wilson Storage Pond Design
<br />Part M, Sediment Control System For Coal Stockpile Pond Using Total Containment
<br />IntroductoryText........................................................................................................ Exh. 7-23M-1
<br />Exh. 7-23, Figure M1, Initial Disturbance, Stripping for Site Access ........................
<br />Exh. 7-23M-6
<br />Exh. 7-23, Figure M2, Initial Disturbance, Collector Ditches ....................................
<br />Exh. 7-23M-7
<br />Exh. 7-23, Figure M3, Initial Disturbance, Coal Stockpile Pond ...............................
<br />Exh. 7-23M-8
<br />SEDCAD model for Temporary Sump, 10 Year, 24 Hour .........................................
<br />Exh. 7-23M-9
<br />SEDCAD model for East Collector Ditch, 10 Year, 24 Hour ..................................
<br />Exh. 7-23M-16
<br />SEDCAD model for West Collector Ditch, 10 Year, 24 Hour .................................
<br />Exh. 7-23M-23
<br />SEDCAD model for Initial Disturbance, Coal Stockpile Pond, 10 Year, 24 Hour.. Exh. 7-23M-30
<br />SEDCAD model for Initial Disturbance, Coal Stockpile Pond, 25 Year, 24 Hour.. Exh. 7-23M-43
<br />Exh. 7-23-i Revision Date: 5/17/17
<br />Revision No.: TR -111
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