TY  - RPRT
TI  - Geologic map of Jumpup Canyon and Big Springs quadrangles, Mohave and Coconino counties, Arizona
AU  - G. H. Billingsley
PY  - 1992
DO  - 10.3133/i2290
UR  - https://pubs.usgs.gov/publication/i2290
ID  - i2290
ER  -