TY  - RPRT
TI  - Preliminary report on fossil vertebrates of the San Pedro Valley, Arizona, with descriptions of new species of Rodentia and Lagomorpha
AU  - J.W. Gidley
PY  - 1923
DO  - 10.3133/pp131e
UR  - https://pubs.usgs.gov/publication/pp131E
ID  - pp131E
ER  -