1. A mineralized breccia pipe in Mohawk Canyon, Arizona--lithologic and geophysical logs Publication/Creation: Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey Resource Type: Book Access & Availability: Loading
2. Geochemical characteristics of mineralized breccia pipes in the Red Mountain district, San Juan Mountains, Colorado Author/Creator: Fisher, Frederick S., 1937- Publication/Creation: Washington : U.S. Govt. Print. Off, 1973 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1373-1381. Access & Availability: Loading