44. Comparison of sampling methods, Water's and kick net at Gl endive 



using kick samples taken in depths less than 19.5 in 77 



45. Comparison of sampling methods, Water's and kick net at Intake 



using kick samples taken in depths less than 19.5 in 78 



46. Current/invertebrate relationships, Yellowstone River, Glendive, 

 October 9, 1975 79 



47. Current/depth/invertebrate relationship, Yellowstone River, Intake 

 October 15, 1975 80 



48. Current/depth/invertebrate relationships, Yellowstone River, 

 Glendive, November 7, 1975. 8 ^ 



49. Mayfly (Ephemeroptera) distribution at various currents, Intake, 



August 1975 85 



50. Mayfly (Ephemeroptera) distribution at various currents, Intake, 

 October 1975 86 



51. Mayfly (Ephemeroptera) distribution at various currents, Intake, 

 November 1975 87 



52. Mayfly f Ephemeroptera) distribution at various currents, Glendive, 

 October 1975 88 



53. Mayfly (Ephemeroptera) distribution at various currents, Glendive, 

 November 1975 39 



54. Synopsis of Mayfly/current relationship from both stations and for 



all sampling months 90 



55. Distribution of Hydropsyche larvae at various currents during 



October 1975 92 



56. Distribution of Hydropsyche larvae at various currents during 

 November 1975 93 



57. Yellowstone River at Terry during late winter 



58. Ice jam during late winter at Glendive 97 



59. Cross section No. 5 at Intake, showing water depth at various 



flows and the 15 subsections used in WSP calculations 99 



60. Invertebrate population estimates at various discharges 99 



vn 



