TY  - RPRT
TI  - Spring flow from pre-Pennsylvanian rocks in the southwestern part of the Navajo Indian Reservation, Arizona
AU  - M. E. Cooley
PY  - 1976
DO  - 10.3133/pp521f
UR  - https://pubs.usgs.gov/publication/pp521F
ID  - pp521F
ER  -