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.lul 20 O1 12:OOp <br />•'4' ,` r~ <br />• <br />PRONIR RRHGER DISTRICT 970-527-4151 p.26 <br />`; <br />~1/• 1' <br />Serial No. C-56GGi <br />CONTROLLED SURFACE USE STIPULATION <br />GENERAL FOREST <br />Surface occupancy or use is subject co the following special operating <br />.constraints. <br />Underground' mining operations will result in surface subsidence. The <br />operator/lessee shall perform a study to secure adequate baseline data to <br />quantify the existing surface resources on and ad~acen[ to the lease area. <br />Existing data may be used if such data is adequate for the intended <br />purposes. The study shall be adequate to Locate, quantify, and demonstrate <br />the inter-relationship of the geology, topography, surface hydrology, <br />vegetation and wildlife. Baseline data will be established so that future <br />programs of observation can be incorporated at regular intervals for <br />comparison. <br />The operator/lessee shall establish a monitoring systeiq to Locate, measure <br />and quantify the progressive and final effects of underground mining <br />activities on the topographic surEaee, underground and surface hydrology <br />and vegetation. The monitoring system shall utilize techniques which will <br />provide a continuing record of change over time and an analytical method <br />for location and measurement of a number of points over the lease area. <br />The monitoring shall incorporate and be an extension of the baseline data. <br />• If subsidence activates a landslide which adversely affects surface <br />resources, or a documented water loss, the operator shall (where <br />applicable): <br />1. Rescorestream channels. and surEaee drainage orprotecc scream <br />flow with eazchwork or temporary culvercing; or ~~ <br />2. Restore affected roads; or. <br />3. Revegetate as necessary to protect against erosion; or <br />4, Restore or replace surface structures or compensate the owner of <br />those surface structures; or <br />5. Provide ocher mitigation (which could include water augmentation, <br />restoration, or replacement). <br />On lands described below: <br />National Forest System Lands within the entire lease. <br />For the purpose of: <br />To insure the stability ei surface resources and facilities during and <br />after the coal mining operations. <br />• <br />