Bibliography of Geologic Reports and Maps for Apache County ...

Agenbroad, L.D., and Mead, J.I., 1989, Quaternary geochronology and distribution ofMammuthus on the
Colorado Plateau: Geology, v. 17, no. 9, p. 861-864.
Aiken, C.L.v., and Sumner, J.S., 1972, A study of regional geophysical data in the Holbrook area, Arizona:
Arizona Oil and Gas Conservation Commission Geologic Report ofInvestigation 2,42 p., 2 sheets, scale
1:500,000 [now available as Arizona Geological Survey Oil and Gas Publication OG-23].
Akers, J.P., 1961, The geology of the central part of Apache County, Arizona (A preliminary report): Arizona
Geological Society Digest, v. 4, p. 49-57.
Akers, J.P., 1964, Geology and ground water in the central part of Apache County, Arizona: US. Geological
Survey Water-Supply Paper 1771, 107 p., 1 sheet, scale 1: 125,000.
Akers, J.P., Cooley, M.E., and Repenning, e.A, 1958, Moenkopi and Chinle Formations of Black Mesa and
adjacent areas, in Anderson, RY., and Harshbarger, J.W., eds., Guidebook of the Black Mesa Basin,
northeastern Arizona: New Mexico Geological Society 9th Field Conference Guidebook, p. 88-94.
Aldrich, M.J., Jr., and Laughlin, AW., 1981, Age and locations of volcanic centers