1. Mudflow hazards along the Toutle and Cowlitz Rivers from a hypothetical failure of Spirit Lake blockage Author/Creator: Swift, Charles H., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
2. Magnitude and frequency of floods in Washington Author/Creator: Sumioka, S. S., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading