TY  - RPRT
TI  - The 1987 estimate of undiscovered uranium endowment in solution-collapse breccia pipes in the Grand Canyon region of northern Arizona and adjacent Utah
AU  - Warren Irvin Finch
AU  - H. B. Sutphin
AU  - C. T. Pierson
AU  - R.B. McCammon
AU  - K. J. Wenrich
PY  - 1990
DO  - 10.3133/cir1051
UR  - https://pubs.usgs.gov/publication/cir1051
ID  - cir1051
ER  -