Table of Contents - Exhibit 7, Item 23
<br />Erosion and Sediment Control Plan for the Collom Area
<br />Section Page
<br />IntroductoryText........................................................................................................... Exh. 7-23-1
<br />Part A, Clean Water Diversion Structures
<br />Introductory Text.....................................................................
<br />Exh. 7-23, Figure Al, Plan View of Clean Water Diversions.
<br />Exh. 7-23, Figure A2, Watershed Boundary for CWD-1 ........
<br />Exh. 7-23, Figure A3, Watershed Boundary for CWD-2 ........
<br />Exh. 7-23, Figure A4, Watershed Boundary for CWD-3 ........
<br />Exh. 7-23, Figure A5, Watershed Boundary for CWD-4 ........
<br />SEDCAD model for CWD-1...................................................
<br />SEDCAD model for CWD-2...................................................
<br />SEDCAD model for CWD-3...................................................
<br />CRr)CAr) mnrlPl fnr CWr)-A
<br />..................................Exh. 7-23A-1
<br />.................................. Exh. 7-23A-7
<br />.................................. Exh. 7-23A-8
<br />.................................. Exh. 7-23A-9
<br />................................Exh. 7-23A-10
<br />................................Exh. 7-23A-11
<br />................................Exh. 7-23A-12
<br />................................Exh. 7-23A-18
<br />................................ Exh. 7-23A-24
<br />................................ Exh. 7-23A-30
<br />Part B, Spoil Pile Collector Ditches
<br />Introductory Text......................................................................................................... Exh. 7-2313-1
<br />Exh. 7-23, Figure B1, Plan View of Spoil Pile Collector Ditches...............................Exh. 7-2313-5
<br />Exh. 7-23, Figure B2, Collom Collector Ditch Profiles ..............................................Exh. 7-2313-6
<br />Part C, Sediment Ponds and Associated SEDCAD Modeling During Mining
<br />IntroductoryText.........................................................................................................Exh. 7-23C-1
<br />Exh. 7-23, Figure Cl, Watershed Boundary for West Side Model .............................Exh.
<br />7-23C-6
<br />Exh. 7-23, Figure C2, Watershed Boundary for West Side Model .............................Exh.
<br />7-23C-7
<br />Exh. 7-23, Figure C3, Watershed Boundary for East Side Model...............................Exh.
<br />7-23C-8
<br />Exh. 7-23, Figure C4, Watershed Boundary for East Side Model...............................Exh.
<br />7-23C-9
<br />Exh. 7-23, Figure C5, Sidehill Pond Design Drawing...............................................Exh.
<br />7-23C-10
<br />Exh. 7-23, Figure C6, Section 26 Pond Design Drawing..........................................Exh.
<br />7-23C-11
<br />Exh. 7-23, Figure C7, Section 36 Pond Design Drawing..........................................Exh.
<br />7-23C-12
<br />Exh. 7-23, Figure C8, Middle Pond Design Drawing................................................Exh.
<br />7-23C-13
<br />Exh. 7-23, Figure C9, Section 25 Pond Design Drawing..........................................Exh.
<br />7-23C-14
<br />SEDCAD model for West Side of Stockpile, 10 Year, 24 Hour...............................Exh.
<br />7-23C-15
<br />SEDCAD model for West Side of Stockpile, 100 Year, 24 Hour.............................Exh.
<br />7-23C-33
<br />SEDCAD model for East Side of Stockpile, 10 Year, 24 Hour ................................Exh.
<br />7-23C-47
<br />SEDCAD model for East Side of Stockpile, 100 Year, 24 Hour ..............................Exh.
<br />7-23C-69
<br />Part D, Sediment Pond Access Roads
<br />IntroductoryText.........................................................................................................Exh. 7-23D-1
<br />Exh. 7-23, Figure D1, West Side Pond Access Roads.................................................Exh. 7-23D-3
<br />Exh. 7-23, Figure D2, East Side Pond Access Roads..................................................Exh. 7-23D-4
<br />Exh. 7-23-i Revision Date: 11/09/15
<br />Revision No.: PR -04
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