TY  - RPRT
TI  - Hydrogeology of the Cenozoic igneous rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah
AU  - J. P. Akers
AU  - J.C. Shorty
AU  - P. R. Stevens
PY  - 1971
DO  - 10.3133/pp521d
UR  - https://pubs.usgs.gov/publication/pp521D
ID  - pp521D
ER  -