2013-05-15_REVISION - C1982057 (4)

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SCC submitted SL -4 Phase I bond release application in November 2012 that includes 138.7 acres and $1,090,188. It is anticipated that review, inspection, and release will be conducted in the summer of 2013. SL -5 application (859.5 acres) does not include any acreage requested in SL -4. SL -5 Areas Requested for Release The following discussion presents and describes the areas requested for SL -5 Phase II bond release. This request uses the SCC surveyed acreage as the basis for the requested release. The acreage requested for release contains 859.5 acres. The overall area requested is presented on Exhibit A, SL-5 Phase H Bond Release Request. This requested release area includes acreage topsoiled and seeded between 1990 and 2005 and select permanent roads, as follows: 1990 — 5.4 acres 1996 — 21.7 acre 2003 — 65.2 acres 1991 — 4.8 acre 1997 — 38.4 acres 2004 — 203.9 acres 1993 — 19.0 acres 1998 — 78.6 acres 2005 — 217.3 acres 1994 — 41.2 acres 1999 — 113.0 acres Roads —10.1 acres 1995 — 25.7 acres 2002 —15.2 acres Summary of Reclamation and Management History Reclamation (i.e., topsoil replacement, revegetation, monitoring and maintenance) was begun in 1990 and continued through 2010. This activity is documented in the Annual Reclamation Reports submitted to the CDRMS. The only areas requested are those revegetated for two (2) years or more. Reclamation management is a continuing effort that includes: • Fertilizer Type and Rate. Fertilization is not used at the II -W Mine. • Shrub Species Planted. There are 56.1 acres of fenced shrub plots and unfenced shrub concentration areas within the requested release area as shown on Exhibit B, Chronological Revegetation. Information regarding species, methods used, planting density and planting dates are documented and detailed in the Annual Reclamation Report submitted to the CDRMS by March 31" every year. • Mulch Application, Type and Rate. Mulching is not conducted at the II -W Mine. • Livestock Grazing. Information regarding stocking rates and timing are documented and detailed in the Annual Reclamation Reports submitted to the CDRMS by March 31"every year. • Rill and Gully Maintenance. Spring rill and gully surveys are conducted to identify erosional features resulting from spring snowmelt and runoff. The survey results are portrayed on maps and submitted to the CDRMS by June I", which is followed up by on- the - ground maintenance to rectify the problem areas. SL -5 -4