Richard E. Van Loenen

• Mineral resource potential and geology of the San Juan National Forest, Colorado
• Mineral resource potential of Mount Massive Wilderness, Lake County, Colorado
• Mineral resources of eight wilderness study areas bordering Zion National Park, Washington and Kane Counties, Utah
• Mineral resources of the Adobe Town Wilderness Study Area, Sweetwater County, Wyoming
• Mineral resources of the Canaan Mountain and The Watchman Wilderness Study Areas, Washington and Kane counties, Utah
• Mineral resources of the Devils Playground and Twin Buttes Wilderness Study Areas, Sweetwater County, Wyoming
• Mineral resources of the Mount Grafton Wilderness Study Area, Lincoln and White Pine counties, Nevada
• Mineral resources of the Parunuweap Canyon Wilderness Study Area, Kane County, Utah
• Mineral resources of the Spring Creek Canyon Wilderness Study Area, Iron County, Utah
• Mineral resources of the Willow Creek and Skull Creek Wilderness Study Areas, Moffat County, Colorado