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CA 7. Deep Springs Marsh and Lake. Acreage: 3600 estimated. 



Location: Inyo County; Blanco Mountain Quadrangle; about 25 miles SE of 

 Bishop; reached via U.S. 395 and Rt. 3. 



Description: Contains the two amphibians, Bufo exsul and Scaphiopus intermon- 

 tanus. The former is found only here. This marshland in the isolated Deep 

 Springs basin also provides habitat for a number of water birds. Quite a few spe- 

 cies of waterfowl, shore and wading birds, and marshland types have been 

 noted. The bird populations are small, because of the limited area, but markedly 

 different from those in the surrounding sagebrush desert. 



Encroachments: Construction of ditches to irrigate the marsh for cattle grazing 

 has had bad effects on the Bufo populations in the past, as has scientific collect- 

 ing. 



Ownership: Probably BLM. 



Data source: Alan M. McCready, 2510 Rogue River Dr., Sacramento, Cal. 

 95826. 



Other knowledgeable persons: Dr. Robert C. Stebbins, Museum of Vertebrate 

 Zoology, University of California, Berkeley, Cal. 94700; Dr. Robert Miller, 

 Museum of Zoology, University of Michigan, Ann Arbor, Mich. 48100. 



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