TY  - RPRT
TI  - Herpetofauna survey of Petrified Forest National Park, Arizona
AU  - C.A. Drost
AU  - Trevor Persons
AU  - E.M. Nowak
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70194596
ID  - 70194596
ER  -