FIGURE 1. Distribution of McCloud Belt rocks in the USA and southernmost Canada. States in USA: WA=Washington, OR=Oregon, ID=Idaho, CA=California, NV=Nevada. Terranes shown in black: BC=Bilk Creek terrane; CB=central belt of Northern Sierra Nevada; CH=Chilliwack terrane; EK=Eastern Klamath terrane; GR=Grindstone terrane; Q=Quesnel terrane.