Theses and Dissertations at Montana State University (MSU)

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    A case study examining the historical use of waist tethers and associated training practices in adaptive skiing
    (Montana State University - Bozeman, College of Letters & Science, 2022) Augst, Jaime; Chairperson, Graduate Committee: C. John Graves
    This case study investigated the historical application of and training practices revolving around waist tethers for students enrolled in Eagle Mount's multiweek ski program at Bridger Bowl in Bozeman, Montana. Historically, Eagle Mount trained all new volunteers to operate waist tethers to support students. Capitalizing on best practices working with adaptive skiers, it was hypothesized that this approach inhibited student autonomy and may not consider the student central to learning to ski. To learn more about this, Eagle Mount's Bridger Bowl Snowsports staff was interviewed, a restructured training model was examined, waist tether volunteers were questioned, and student lessons were observed. It was determined that waist tethers could limit autonomy and discourage a student's least restrictive environment. Yet, there are instances that these tools are appropriate based on the student's needs and to support their goals. Because the historic training model strongly emphasized the operational skills required to safely waist tether a student, it was possible that identifying student goals and crafting a unique progression that supported a student-centered experience may not have been the central message of volunteer training. As such, volunteers may have lacked the tools necessary to encourage an environment that inherently focused on progressions and highlights play and exploration via games and activities that capitalize on student interests. The restructured training environment required for all new volunteers made this the central element of the discussion. It provided volunteers with a toolbox of ideas to support safe and fun progressions based on students' needs and goals. As a result, fewer students currently use waist tethers, greater emphasis is placed on games and activities that engage students, and more time is spent by volunteers supporting student autonomy.
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    Influence of saturation on denitrification in a two-stage, vertical flow treatment wetland at Bridger Bowl ski area
    (Montana State University - Bozeman, College of Engineering, 2018) Woodhouse, Shayla Lee; Chairperson, Graduate Committee: Otto Stein
    A full-scale two-stage vertical flow treatment wetland (VF TW) pilot system was installed at the Bridger Bowl Ski Area in 2013 to test its capability as a secondary wastewater treatment system. Water quality was monitored throughout the 2015-2016 and 2016-2017 ski seasons with the primary objective to optimize the system for total nitrogen removal. Eight different combinations (schemes) of daily hydraulic and nutrient loading, dose frequency, effluent recycle, and depth of saturation of the first stage were tested. Average system removal was 93% and 95% for chemical oxygen demand (COD) and 70% and 75% for total nitrogen (TN) in 2016 and 2017, respectively, despite elevated influent concentrations of 930 mg x L -1 COD and 195 mg x L -1 TN. In addition, the system converted virtually all influent TN to nitrate. Both 1:1 and 2:1 (recycle to influent) ratios were effective as were saturation depths of 53 and 71 cm. At the 2:1 recycle ratio, the higher saturation level was superior at light hydraulic and constituent mass loadings while the lower saturation level was superior at higher loadings, but the differences were small. Overall, TN removal and nitrogen species transformations were linearly related to the mass load applied (surface area basis) over the range evaluated. In addition, the maximum removal capacity of the system was not exceeded during any scheme, thus the inherent removal capacity of the system is greater than evaluated. Nevertheless, the removal efficiencies of the VF TW from the past two seasons has shown that this technology can successfully perform secondary wastewater treatment in cold climates with efficient nitrogen removal and can exceed the regulatory requirements under which Bridger Bowl operates.
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    A development study for Bridger Bowl
    (Montana State University - Bozeman, 1969) Berg, Wayne H.
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    A destination resort for Bridger Bowl, Bozeman, Montana
    (Montana State University - Bozeman, 1991) Milleson, Thomas N.; Chairperson, Graduate Committee: Ralph Johnson
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    Saint Bernard Supper Club and Lounge, Bridger Bowl, Bozeman, Montana
    (Montana State University - Bozeman, 1987) Wheeler, Robert J.
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    Redevelopment of the Bridger Bowl area into a winter and summer resort
    (Montana State University - Bozeman, 1962) Nordling, Arthur A.
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    New ski facilities for Bridger Bowl
    (Montana State University - Bozeman, 1967) Coxwell, Jonathan E.
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