TY  - RPRT
TI  - USGS compilation of geographic information system (GIS) data of coal mines and coal-bearing areas in Mongolia
AU  - Michael H. Trippi
AU  - Harvey E. Belkin
PY  - 2015
DO  - 10.3133/ofr20151144
UR  - https://pubs.usgs.gov/publication/ofr20151144
ID  - ofr20151144
ER  -