TY  - RPRT
TI  - Investigation of the causes of sinks in the San Xavier District, Tohono O'odham Nation, Pima County, Arizona
AU  - John P. Hoffmann
AU  - Donald R. Pool
AU  - A.D. Konieczki
AU  - Michael C. Carpenter
PY  - 1997
DO  - 10.3133/ofr9719
UR  - https://pubs.usgs.gov/publication/ofr9719
ID  - ofr9719
ER  -