Southwest caves reveal new forms of lifeFormat: [electronic resource] /
Publisher: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey,
Date: 2009. This title can be found in 1 Iowa libraries.
Mysteries undergroundFormat: [videorecording] /
Publisher: [Washington, D.C.] : National Geographic Video,
Date: c1997. This title can be found in 1 Iowa libraries.
National Cave and Karst Research Institute Act of 1997 : report (to accompany S. 231).Publisher: [Washington, D.C.? : U.S. G.P.O.,
Date: 1997] This title can be found in 2 Iowa libraries.
Bureau of Land Management interim guide for oil & gas drilling operations in cave and karst areasFormat: [microform].
Publisher: [Roswell, N.M.?] : Bureau of Land Management, Roswell District,
Date: [1993] This title can be found in 1 Iowa libraries.
Mysteries undergroundFormat: [videorecording] /
Publisher: [Washington, D.C.] : National Geographic Video,
Date: c1992. This title can be found in 1 Iowa libraries.
Caves of the Upper Gila and Hueco areas in New Mexico and Texas.Author: Cosgrove, C. B.
Publisher: New York, Kraus Reprint Corp.,
Date: 1968. This title can be found in 1 Iowa libraries.
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