1. Geochemical evidence for possible concealed mineral deposits near the Monticello Box, northern Sierra Cuchillo, Socorro County, New Mexico Author/Creator: Griffitts, Wallace R., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1968 Format: Book Access & Availability: Loading
2. Beryllium resources of the tin-spodumene belt, North Carolina Author/Creator: Griffitts, Wallace R., author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1954 Format: Book Access & Availability: Loading
3. Mica deposits of the southeastern Piedmont Author/Creator: Griffitts, Wallace R., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1953 Format: Book Access & Availability: Loading
4. Mica deposits of the southeastern Piedmont Author/Creator: Griffitts, Wallace R., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1953 Format: Book Access & Availability: Loading
5. Mica deposits of the southeastern Piedmont Author/Creator: Griffitts, Wallace R., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1953 Format: Book Access & Availability: Loading