Geophysical exploration for oil and gas, mineral deposits, and other resources, solid-earth and environmental geophysics, gravity, magnetics, and seismology, rock magnetism, engineering geophysics.
Carmichael, Robert. Notable Natural Disasters, 3 vols. (1086 pages), co-editor and contributing author, Salem Press, Pasadena Calif. (2007)
Carmichael, Robert. Seismic observatories, in Survey of Science: Earth Science, p. 246-251, Salem Press (2000)
Carmichael, Robert. Physical Properties of Rocks and Minerals, 741 pages, CRC Press Inc., Florida (1989)