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(TL) and received a PIT tag. The stocked bonytail were approximately 90-177 mm TL, with an average of approximately 130 mm. 1997 - In 1997,2,164 age 0 bonytail from Wahweap were stocked on October 18 at RM 94.3, just below the 1996 stocking site (Table 1, Figure 3). All fish were measured for TL and received a PIT tag. Average TL for the stocked fish was 129.5 mm, with a range of 80-178 mm. 1998 - Several stocking events took place during 1998 in the Colorado River and for the first time in the Green River (Table 1, Figures 3 and 5). Three different age classes were stocked in the Colorado River in the spring and fall. All fish stocked into the Colorado River were released at RM 94.3, measured for TL and implanted with a PIT tag. On March 18, 104 of the 1996 cohort were stocked into the Colorado River with an average TL of 316.2 mm. On April 20, 2,812 of the 1997 cohort were stocked with an average TL of 112.4 mm. On October 14, 1,436 of the 1997 cohort were stocked with an average TL of 124.0 mm. The final stocking ofbonytail on the Colorado River in 1998 was on October 27 when 796 of the 1997 cohort (average TL 124.0 mm) and 1,048 of the 1998 cohort (average TL 120.0 mm) were released (Table 1, Figure 3). Three thousand bonytail were stocked into the Green River on October 27 (Table 1, Figure 5). These fish were released at RM 120.0 (Green River State Park), measured (TL) and PIT tagged. Average TL of these 1997 age class fish at release was 124.0 mm. 1999 - Twenty thousand bonytail from the 1998 cohort were stocked into the Colorado and Green rivers on April 23, 1999 (Table 1, Figures 4-5). Ten thousand were stocked at RM 94.3 into the Colorado River and 10,000 at RM 120.0 into the Green River. Average TL for all fish stocked was 93 mm, and all fish were implanted with a coded wire tag. 2000 - Several releases ofbonytail took place on the Colorado and Green rivers, and resulted in the largest stocking ofbonytail since the program began (Table I, Figures 4-5). On April 20, 15,037 bonytail (1997 cohort, average TL 78.7 mm) were released at RM 94.3 into the Colorado River. Another 19,000 of this cohort (average TL 169.0 mm) were released at the same location on October 30, along with 2,237 of the 2000 cohort (average TL 97.0 mm). On the Green River, 9,962 bonytail (1998 cohort, average TL 187.4 mm) were released at Green River State Park (RM 120.0) in addition to fourteen others with radio tags (1996 cohort, average TL 410.7 mm). A fall stocking occurred on the Green River on October 30 when 10,025 of the 1999 age class fish (average TL 93.7 mm) were released at the same location. The Yampa River received its first stocking of 10,000 bonytail (1999 cohort, average TL 114.0 mm) on July 14. All fish excluding the radio tagged fish were implanted with coded wire tags prior to stocking. 2001 - Two stockings ofbonytail were completed in 2001 (Table 1, Figures 4 and 6). The Colorado River at Cisco boat ramp (RM 110.0) received 20,907 (2000 cohort, average TL 81.6 mm) and 7,061 of the 1999 (average TL 134.1 mm) bonytail in April. Approximately 41,522 of the 2000 cohort (average TL 81.57 mm) and 5,000 of the 1999 cohort (average TL 134.1 mm) were stocked into the Green River at Green River, UT (RM 120.0) in April. In addition, the Colorado Division of Wildlife stocked 20,000 bonytail (2000 cohort, average TL 81.57 mrn) in 8