2020-05-08_PERMIT FILE - M2020007

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Exhibit G Water Information (cont) connected to the South Platte River or any alluvial aquifer. The Mining Plan includes four (4) unlined pits that will be backfilled with excess overburden and wash fines from the sand and gravel processing plant . The reservoir phases will be sealed prior to mining, thereby eliminating the groundwater drawdown which is typically associated with mine site dewatering. This will also eliminate or minimize the possibility of any adverse impacts to nearby alluvial wells . If during the course of mining or reclamation complaints from a well owner are received by the permittee, the permittee will commence an evaluation and investigation, including providing replacement water to the well owner if necessary, within 48 hours . DRMS shall be notified within two business days of the complaint and the proposed initial steps for the evaluation of the complaint . A written report will be submitted to DRMS within 30 days detailing the information collected during the investigation of the complaint, and proposed mitigation activity, if required . Potential Water Resource Impacts Ground Water Wells We expect this mining operation will have no or minimal impacts on the prevailing hydrologic balance . Sand and gravel mining related impacts to groundwater wells near the pit will be mitigated through the installation of slurry walls around the perimeter of new reservoir mining phases prior to the start of dewatering in each reservoir phase (see EXHIBIT D - MINING PLAN) . TABLE G-1 is a list of 16 wells from the Office of the State Engineer' s files, and whose permit locations are within 200 feet of the permit area . (Note : Well permit locations are not always accurate, especially for older wells . ) The wells highlighted in blue are outside the permit area (which is owned by Cannon Land Company) . Cannon owns 12 wells . Of the 4 highlighted wells not owned by Cannon, one (1) well is a deep well (highlighted dark blue) and three (3) wells are shallow wells drawing water from the surface aquifer (highlighted light blue or green) . The green highlighted well is the only surface residential and the light blue are irrigation wells . Prior to exposing groundwater or installing a slurry wall liner in any Phase, a well survey will be performed on any wells within 200 feet of that Phase not owned by Cannon Land Company. The only well that will not be tested will be the Pacheco well, because it is in excess of 600 feet deep and will not be affected by potential surface impacts due to mining. L.G. Everist will attempt to obtain for each well to be tested the following data, L G Evenst,Inc Ragsdale Reservoirs May 5,2020 29