1. PERSONAL COMMUNICATION
2. Biehler, S., Marine Geology of the Gulf of California: 126 (1964).
3. Topographic chart 3 prepared for the U.S. Bureau of Commercial Fisheries 1964
4. Topographic chart 4A prepared for the U.S. Bureau of Commercial Fisheries 1964
5. Topographic chart 5 prepared for the U.S. Bureau of Commercial Fisheries 1964