Table 8. Stock distribution data by Columbia River region in miles (PSMFC 1995, from Subbasin Planning 1989, based on mileages from 1:250,000 scale). Mileages do not include mainstem (Columbia or Snake river) use except for fall chinook in the Snake River.
Species/Run	Columbia River Region	Utilized By Stock	Spawning & Rearing	Rearing Only	Migration Only
Coho	Below Bonneville	2538	1498	814	226
	Bonneville-Priest Rap	1268	210	1057	0
	Snake River	0	0	0	0
	Priest-Chief Joe	297	172	125	0
Fall Chinook	Below Bonneville	1189	749	416	24
	Bonneville-Priest Rap	829	372	457	0
	Snake River	412	264	148	0
	Priest-Chief Joe	168	18	150	0
Spring Chinook	Below Bonneville	1422	715	583	124
	Bonneville-Priest Rap	1750	614	840	296
	Snake River	3766	2367	797	603
	Priest-Chief Joe	428	186	134	108
Summer Chinook	Below Bonneville	148	0	148	0
	Bonneville-Priest Rap	312	63	249	0
	Snake River	1080	445	533	102
	Priest-Chief Joe	312	141	148	23
Summer Steelhead	Below Bonneville	1672	902	613	158
	Bonneville-Priest Rap	4734	3278	940	517
	Snake River	7532	5934	763	835
	Priest-Chief Joe	581	391	167	23
Winter Steelhead	Below Bonneville	3155	1997	915	243
	Bonneville-Priest Rap	358	258	99	1
	Snake River	0	0	0	0
	Priest-Chief Joe	0	0	0	0