James H. Irwin

1923

• Mokanshan
• Geology and availability of ground water on the Ute Mountain Indian Reservation, Colorado and New Mexico
• Geology of the Paleozoic rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah
• Hydrogeologic information on the Glorieta Sandstone and the Ogallala Formation in the Oklahoma Panhandle and adjoining areas as related to underground waste disposal