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Record Nr. |
UNINA9910692118103321 |
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Autore |
Webb Robert H |
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Titolo |
Observations of environmental change in Grand Canyon, Arizona [[electronic resource] /] / by Robert H. Webb, Theodore S. Melis, and Richard A. Valdez ; prepared in cooperation with Grand Canyon Monitoring and Research Center |
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Pubbl/distr/stampa |
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Tucson, Ariz. : , : U.S. Geological Survey ; Denver, CO : , : U.S. Geological Survey, Information Services [distributor], , 2002 |
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Collana |
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Water-resources investigations report ; ; 02-4080 |
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Altri autori (Persone) |
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MelisTheodore S |
ValdezRichard A |
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Soggetti |
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Grand Canyon (Ariz.) Environmental conditions History |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on Jan. 31, 2004). |
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Nota di bibliografia |
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Includes bibliographic references. |
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