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' III. BRIEF HISTORY OF THE PROPERTY <br /> The Northern portion of the Flatiron Property, also known as the Turnpike Pit, was <br /> ' already being mined for gravel when it was acquired by the Flatiron Companies in 1963. <br /> Gravel mined from the Turnpike Pit operation was used in the construction of U.S. 36, the <br /> Boulder-Denver Turnpike. The Turnpike Pit was mined sporadically until recent years, <br /> with about seven to ten feet of gravel materials being removed. The mining operations at <br /> the Flatiron Property is regulated by the Colorado Mined Land Reclamation Board <br /> (MLRB), under the Colorado Department of Natural Resources. <br /> In 1973, the Flatiron Companies bought the Deepe Farm, directly south of the Turnpike <br /> Pit property. In the early 1980's, gravel mining operations were commenced on this <br /> portion of the Flatiron Property, which became known as the Deepe Pit. As in the <br /> ' Turnpike Pit, approximately seven to ten feet of gravel materials were removed. The <br /> topsoil and overburden materials generated during the sand and gravel mining operations <br /> ' were stockpiled in various berm areas across the site around its perimeter, and particularly <br /> in several large berms around the gravel loading plant, which serves as sound and visual <br /> buffers. Water courses, ponds, swales, channels, and water pumps and pipelines have <br /> been established and constantly relocated during mining to accommodate standing water, <br /> ' gravel wash water, ditches and storm runoff. All areas of the site have been mined out <br /> ' with the exception of the hillside in the southwest corner of the property, below the Hi- <br /> View residential subdivision. Mining and reclamation of both the Turnpike Pit and Deepe <br /> ' Pit are being coordinated in a continuous operation which will leave a "seamless joint <br /> boundary", with constant ground elevations and surface drainage patterns. <br /> The pre-cast concrete building in the northeast comer of the Flatiron Property was <br /> ' constructed in 1967 and was initially leased to Mountain Bell Telephone Company as a <br /> vehicle storage garage under a 25-year lease. This singular structure is currently leased to <br /> a tennis school on a short term lease, and also houses the interim offices of the Women of <br /> the West Museum. <br /> -Cr <br />