presTitle=Jill Ory: Using GIS and Scale Linking to Set Priorities for Culvert Replacements in the Tualatin Basin- OR&presSubTitle=&labelList=Introduction||Why Set Priorities||...Over 1200 Culverts in Basin||Data Collected for Each Culvert||Could- Should- Can||Where We Are||Glacial Dams and the Bretz Floods||Historical Land Surveys- 1850||Current Land Use||Objectives of Watershed Analysis and Culvert Priority Setting||Native Cutthroat Trout||Some of the Best Habitat in our Jurisdiction||Creeks in Area with Less Impervious Cover||Chicken and Cedar Creek Habitat Examples||Tualatin Basin Substrate||Good Tree Canopy Cover||...Compared to the Whole Basin||Large Wood and Debris Jams||Compared to the Whole...||Zooming In...||Basin Supports Some of Best Trout and Steelhead Habitat||Many Culverts that are Barriers||Zooming In to Evaluate Culverts||Limiting Substrate is Clay Substrate||Screen Out Short Length Culverts||Further Examine and Rank Remaining Culverts||In Conclusion&valueList=0:01||00:16||01:40||01:50||02:12||02:31||02:55||03:33||04:39||05:06||05:26||05:43||06:12||07:30||07:44||08:25||08:39||08:55||09:14||09:30||09:41||10:38||10:57||11:16||11:54||12:27||13:40&credittext=Production By Mike Furniss and Jeff Guntle