- Tule Mountain (Mount Tule; Tulley Mountain)
| Todd, V. R. et al. 1987. Mineral Resources of the Sawtooth Mountains and Carrizo Gorge/ Eastern McCain Valley Wilderness Study Areas, San Diego County, California. U.S. Geological Survey Bulletin 1711-B, 26 p., maps. |
Pack Rat Mine, Tule Mountain, Jacumba, San Diego County, California, USA