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Office of the State Engineer 1313 Sherman Street, Room 821 www. March 22, 2017 David Heintz Bishop-Brogden Associates 333 West Hampden Avenue, Suite 1050 Englewood, CO 80110 RE: Rich Pit Substitute Water Supply Plan, M SE ¼, Sec. 34, T20S, R63W, 6 NW ¼, Sec. 2, T21S, R63W, 6 Water Division 2, Water District 14 SWSP ID 550, WDID 1407808 Approval Period: April 1, 2017 through March 31, Contact Phone Number: 303 Dear Mr. Heintz: We have received your letter dated December 14, 2016, requesting renewal of the above referenced substitute water supply plan (“SWSP”) to cover depletions caused by an existing gravel mining operation. The required fee of $257 for the renewal of this SWSP has been (receipt no. 3677529). The original SWSP was approved on May 18, 2000 and it was most recently approved in a letter dated May 10, 2016 for the period April 1, 2016 through Mar PLAN OPERATION The Rich Pit is located in portions of the SE ¼ of the SW ¼ and the SW ¼ of the SE ¼ of Section 34, Township 20 South, Range 63 West of the 6 site from Lafarge West Inc. (“Lafarge”) at the end of 2011. The Rich Pit has been inactive since 2001 and will remain inactive during this plan year. Ponds created from previous mining activities under this plan cause stream depletions during the inactive period due to evaporation. This renewal covers pond evaporation from the Active Pit (16.7 exposed acres) and pumping of a sanitary/miscellaneous well. Permit No. 45995 exposure of ground water, dust suppression, product retention, and concrete batching. A well, Permit No. 66042-F (WDID 1405128), is used for sanitary and miscellaneous purposes connected with the Rich Pit. Description Active Pit Well Permit No. 66042-F DEPLETIONS During this plan year, the maximum exposed surface area will total 16.7 acres within the Active Pit. The former Unused Wash Pond (0.5 acres) has been filled in an Office of the State Engineer 1313 Sherman St, Suite 821 Denver, CO 80203 Office of the State Engineer , Room 821, Denver, CO 80203 P 303.866.3581 www.water.state.co.us 333 West Hampden Avenue, Suite 1050 Rich Pit Substitute Water Supply Plan, M-85-218 SE ¼, Sec. 34, T20S, R63W, 6th P.M. NW ¼, Sec. 2, T21S, R63W, 6th P.M. Water Division 2, Water District 14 SWSP ID 550, WDID 1407808 Approval Period: April 1, 2017 through March 31, 2018 Contact Phone Number: 303-806-8952 We have received your letter dated December 14, 2016, requesting renewal of the above referenced substitute water supply plan (“SWSP”) to cover depletions caused by an existing gravel tion. The required fee of $257 for the renewal of this SWSP has been (receipt no. 3677529). The original SWSP was approved on May 18, 2000 and it was most recently approved in a letter dated May 10, 2016 for the period April 1, 2016 through March 31, 2017. The Rich Pit is located in portions of the SE ¼ of the SW ¼ and the SW ¼ of the SE ¼ of Section 34, Township 20 South, Range 63 West of the 6th P.M. Martin Marietta Materials (“MMM”) acquired the site from Lafarge West Inc. (“Lafarge”) at the end of 2011. The Rich Pit has been inactive since 2001 and will remain inactive during this plan year. Ponds created from previous mining activities r this plan cause stream depletions during the inactive period due to evaporation. This renewal covers pond evaporation from the Active Pit (16.7 exposed acres) and pumping of a sanitary/miscellaneous well. Permit No. 45995-F (WDID 1406466) was issued fo exposure of ground water, dust suppression, product retention, and concrete batching. A well, F (WDID 1405128), is used for sanitary and miscellaneous purposes connected WDID Location 1406470 SE ¼, Sec. 34 1405128 NE ¼, Sec. 33 During this plan year, the maximum exposed surface area will total 16.7 acres within the Active Pit. The former Unused Wash Pond (0.5 acres) has been filled in and no longer exposes ground water. Office of the State Engineer 1313 Sherman St, Suite 821 We have received your letter dated December 14, 2016, requesting renewal of the above referenced substitute water supply plan (“SWSP”) to cover depletions caused by an existing gravel tion. The required fee of $257 for the renewal of this SWSP has been submitted (receipt no. 3677529). The original SWSP was approved on May 18, 2000 and it was most recently ch 31, 2017. The Rich Pit is located in portions of the SE ¼ of the SW ¼ and the SW ¼ of the SE ¼ of Section 34, P.M. Martin Marietta Materials (“MMM”) acquired the site from Lafarge West Inc. (“Lafarge”) at the end of 2011. The Rich Pit has been inactive since 2001 and will remain inactive during this plan year. Ponds created from previous mining activities r this plan cause stream depletions during the inactive period due to evaporation. This renewal covers pond evaporation from the Active Pit (16.7 exposed acres) and pumping of a F (WDID 1406466) was issued for the pit for exposure of ground water, dust suppression, product retention, and concrete batching. A well, F (WDID 1405128), is used for sanitary and miscellaneous purposes connected Location SE ¼, Sec. 34 NE ¼, Sec. 33 During this plan year, the maximum exposed surface area will total 16.7 acres within the Active Pit. d no longer exposes ground water.