1. U-Pb geochronology and tectonic implications of a silurian ash in the Farewell terrane, Alaska Author/Creator: Bradley, Dwight C, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Book Access & Availability: Loading
2. Upper Silurian brachiopods from southeastern Alaska Author/Creator: Kirk, Edwin, 1884-1955, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1952 Resource Type: Book Access & Availability: Loading
3. Upper Silurian brachiopods from southeastern Alaska, Author/Creator: Kirk, Edwin, 1884-1955 Publication/Creation: Washington : U.S. Govt. Print. Off, 1952 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 233 A-E. Access & Availability: Loading