Here is an excellent source for a Field Guide to Reptiles and Amphibians of the Easter Sierra Nevada.  Please be sure to explore the PRINT settings of the linked site, which will allow you to print a ready-made field guide in grid, book, or journal format.

“Herpetofauna of the Sierra Nevada ·  INaturalist.” INaturalist, 2018, Accessed 10 June 2020.

Last modified: Wednesday, 10 June 2020, 4:13 PM