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<br />. <br /> <br />. <br /> <br />~ <br /> <br />data based for future geographic information systems applications. <br /> <br />. <br /> <br />The results of the bedrock outcrop and subcrop mapping will be published <br />as one Hydrologic Investigations Atlas or similar series report. This report <br />will consist of four maps sheets at I :50,000 scale and also will be available <br />as digital coverages upon request. <br /> <br />G. BENEFITS: <br /> <br />The Hydrogeologic mapping of the shallow aquifers in the Boulder-Fort <br />Collins-Greeley-Brighton study area will be compatible with a similar set of <br />maps published in 1996 for the Denver metropolitan area Robson (1996). <br />With completion of the study area mapping, a comprehensive description <br />of the geohydrology of the South Platte aquifer system and tributaries will <br />be available for the Urban corridor from North of Fort Collins to Douglas <br />eounty. <br /> <br />Because mapping will include the extensive shallow aquifers underlying <br />upland areas in addition to the thicker aquifers of the South Platte aquifer <br />systems, the results will have broad application for individuals, businesses, <br />and municipalities throughout the study area. It is envisaged that users <br />would include: <br /> <br />I. Individuals who need such information as causes of basement flooding, <br />foundation excavation conditions, and availability of shallow ground-water . <br />supplies. <br /> <br />2. Commercial users of hnzardous materials who must file permit <br />applications requiring information on surficial geology, depth to water- <br />table, and direction of ground-water movement. <br /> <br />3. Governmental agencies dealing with environmental or water rights <br />issues where rapid access to hydrogeologic information on the aquifer <br />would streamline operations. <br /> <br />4. Owners of existing tributary water rights in the area who might benefit <br />from improved knowledge of return flow of their water to the South Platte <br />River. <br /> <br />5. Waste water treatment districts that could improve estimates of stream <br />waste-load allocation based on improved estimates of ground-water <br />discharge to the South Platte River. <br /> <br />H. PERSONNEL: The study would be undertaken using hydrologist, geologists, and <br />technicians currently assigned to the Colorado District Office of the U.S. <br /> <br />5 <br /> <br />. <br />