TY  - RPRT
TI  - U.S. Geological Survey assessment of reserve growth outside of the United States
AU  - Timothy R. Klett
AU  - Troy A. Cook
AU  - Ronald R. Charpentier
AU  - Marilyn E. Tennyson
AU  - Phuong A. Le
PY  - 2015
DO  - 10.3133/sir20155091
UR  - https://pubs.usgs.gov/publication/sir20155091
ID  - sir20155091
ER  -