The following pages provide access to information that may be useful in planning and documenting tribal proposals and ongoing projects. Access to this information is through maps of hierarchical hydrologic units (HUCs). By clicking on the basin names shown on the maps, you can zoom in to your watershed of interest. The information provided by watershed includes limiting factors to salmon identified during Subbasin Planning, biological trend information from StreamNet and CBFWA, other information from the EPA, and maps of finer-scale watersheds.