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~~ • • Bradford Janes - 5 - February 2, 1990 ' Other species which might be considered include green needlegrass, little bluestem, needle and thread, prairie sandreed, prairie junegrass, sand dropseed, winterfat and fringed sagebrush. ~ Exhibit F - Reclamation Plan Map ' , 1. The proposed contours on the reclamation plan map, Exhibit F, for the Phase V area appear to be no different than the contours on Exhibit C-1, ' Affected Lands Map. A revised Exhibit F_must be submitted, showing the reclaimed contours. 2. The reclaimed contours on the reclamation plan map, Exhibit F, for the ' Phase IY area, appear to be very similar to the contours on Exhibit C-1, Plat 2 Map with some smoothing out of the contours. With an average removal of 20 to 25 feet of material it would be expected that there ' would be a greater change in the reclaimed contours. Please clarify. 3. The February 28, 1978 SCS report states that "Mulching all treated areas ' will be necessary immediately after the seeding operation." Are there plans for mulching the areas after seeding? If not please state your justification for not mulching. If mulching will occur, please adjust Exhibit L accordingly. ' 4. Please indicate reclamation phases on the Reclamation Map. ' Exhibit G - Water 1. Please be informed that if pit water is discharged, an NPDES permit may be required. Please contact the Colorado Department of Health, Water ' Quality Control Division for details. 2. If pit water is to be discharged, please provide the Division with a plan which complies with Rule 2.1.2(8)(b)(iii) for the disposal of pit water and the handling of runoff water from the site. 3. Pursuant to Rule 2.1.2(8)(c) and (d ), please quantify water requirements for dust suppression and any other water usage on the site and indicate the source of this water and applicable water rights. Exhibit I - Soils 1. Paragraphs 3 and 4, under Soil Management and Weed Control, of the application state that soil will be salvaged to assure six to twelve inches of soil (eight inches typical). It is also stated that salvage of soil will include the entire solum to the B-2 soil profile horizon, where present to that extent or to a minimum of twelve inches where soil depth is greater than twelve inches. As a matter of clarification, does this mean that where the depth to the B-2 soil profile horizon is less than twelve inches, but where B-2 or C profiles are present, salvage will include B-2 or C profiles to a total depth of twelve inches? \~