2021-09-09_REVISION - M2004044 (10)

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In general, drainage on the site flows toward the South Platte River to the north and east of the property. The drainage pattern in the West Area either flows to local low spots on the property, is conveyed off-site to the north, or is conveyed via an irrigation return ditch to the East Area. The East cell generally drains north and east to the river via overland flow or through existing channels and ditches left by historic disturbance. Drainage at the amended area flows to local low spots before being conveyed to existing gravel mines locate north of the site. With this project the Permit Boundary and the Affected Lands are different areas, as explained below. Permit Boundary Area The proposed Permit Boundary contains the following areas as shown on Exhibit C-1 and Exhibit F-1: • Tracts of land owned by Aggregate Industries-WCR, Inc. referred to on our mapping as Tracts A, B, D, E, F, H, and M. • Tracts of land owned by the City of Aurora referred to on our mapping as Tracts C, G, K, and N. • Tucson Street right-of-way referred to on our maps as Tract L. • East 168th Avenue right-of-way referred to as Tract O. • Land owned by Yoshi and Suzu, LLLP referred to on our maps as Tracts P and Q. • Land owned by Dorothy and James Struck is referred to as Tract R. • Land owned by Toby Struck is referred to as Tract S. Affected Land The Affected Land includes all Tracts described in the Permit Boundary except Tract K, which is owned by the City of Aurora. This area is located east and west of the Brighton Ditch and will not be disturbed by the mining activities and reclamation operations. Therefore, it was excluded from the Affected Land. Aggregate Industries had previously planned to mine a South Cell which was removed from the permit with the execution of Technical Revision 2 (TR-02, Acreage reduction). Existinq Land Uses The proposed Tucson South Resource mine currently consists of dryland and irrigated agriculture, one house (with outbuilding) and the former greenhouse growing operation described above. A Todd Creek water well and associated United Power overhead electric line on the west side of the West area will also be removed. Aggregate Industries purchased the Todd Creek water well parcel and entered into an agreement to relocate the well to an area adjacent to the river. The relocated well is shown on Exhibit C-3. The applicant has contacted United Power regarding removal of the existing electric service and will forward the documentation regarding removal Aggregate Industries—Tucson South Amendment—MLRB 112 Permit Application Exhibit D-2