TY  - RPRT
TI  - The digital coal map of South America in ARC/INFO format
AU  - Laura R. Biewick
AU  - Jean N. Weaver
PY  - 1995
DO  - 10.3133/ofr95235
UR  - https://pubs.usgs.gov/publication/ofr95235
ID  - ofr95235
ER  -