Howard C. Brooks

• Geologic implications of Paleozoic and Mesozoic paleontology and biostratigraphy, Blue Mountains province, Oregon and Idaho
• Gold and silver in Oregon
• Limestone deposits in Oregon
• Petrology and tectonic evolution of pre-Tertiary rocks of the Blue Mountains region
• Quicksilver deposits in Oregon
• Quicksilver in Oregon
• Stratigraphy, physiography, and mineral resources of the Blue Mountains region
• The Idaho batholith and its border zone