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<br /> <br /> <br />3-1 <br />DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the end of this docu ment. <br />Section 3 <br />Data Collection <br />Field activities included installation of five groundwater monitoring wells, installation of pressure <br />transducers to collect water level data, and collection of groundwater samples for laboratory <br />analysis. Additional field activities included the installation of the ramp flume and stilling well <br />transducer, visual observation and documentation of surface flow locations, and the collection of <br />surface water samples for laboratory analysis. The field activities and data collection were designed <br />to provide information on surface water flow, groundwater levels and baseline water quality. <br />Groundwater level monitoring began in December 2021 after the installation of five groundwater <br />wells. Surface water flow measurements for Red Creek were monitored through the installation of a <br />ramp flume and transducer in August 2022 to collect flow data. <br />3.1 Site Geology and Hydrogeology <br />The Site is comprised of Cretaceous age marine sediments of inter-bedded limestones and <br />sandstones which have been described in detail by Scott and Cobban, 1964. Exposed strata at the <br />Site include the Fort Hays Limestone and the more argillaceous Smoky Hill Limestone/Shale, both <br />Members of the Niobrara Formation. Underlying the limestone units are the Codell Sandstone and <br />Blue Hill Shale Members of the Carlisle Formation. The primary geologic strata at the site are <br />illustrated in Figure 3-1. <br /> <br />Figure 3-1. Generalized stratigraphic section of the Bear Creek and Red Creek sites