Karst

Huntoon, P.W., 2000, Variability of karstic permeability between unconfined and confined aquifers, Grand Canyon region, Arizona: Environmental and Engineering Geoscience, v. 6, no. 2, p. 155-170.

Harris, R.C., 2002, A review and bibliography of karst features of the Colorado Plateau, Arizona: Arizona Geological Survey Open-File Report 02-07, 43p.

Billingsley, G.H., Wenrich, K.J., Huntoon, P.W., and Young, R.A., 1999, Breccia-pipe and geologic map of the southwestern part of the Hualapai Indian Reservation and vicinity, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-2554, 50 p., 2 sheets, scale 1:48,000.

Neal, J.T., and Colpitts, R.M., 1997, Evaporite karst in the western part of the Holbrook Basin, Arizona, in Beck, B.F., and Stephenson, J.B., eds., The Engineering Geology and Hydrogeology of Karst Terranes: Rotterdam, Netherlannds, A.A. Balkema, p. 107-115.

Neal, J.T., 1995, Supai salt karst features: Holbrook Basin, Arizona, in Beck, B.F., ed., 1995, Karst Geohazards, Engineering and Environmental Problems in Karst Terrane: Rotterdam, Netherlannds, A.A. Balkema, p. 53-59.

Neal, J.T., and Colpitts, R.M., 1997, Richard Lake, an evaporite-karst depression in the Holbrook Basin, Arizona: Carbonates and Evaporites, v. 12, no. 1, p. 91-98.

Huntoon, P.W., 1996, Large-basin ground water circulation and paleo-reconstruction of circulation leading to uranium mineralization in Grand Canyon breccia pipes, Arizona: Mountain Geologist, v. 33, no. 3, p. 71-84.

Blake, W.P., 1906, Origin of the depression known as Montezuma's Well, Arizona: Science, n.s., v. 24, p. 568.

Neal, J.T., 1996, Supai salt karst features: Holbrook Basin, Arizona [abs.]: AEG News (Association of Engineering Geologists), v. 39, no. 1, p. 51.