TY - BOOK AU - Gray,John E. ED - Geological Survey (U. S.) TI - Geologic studies of mercury by the U.S. Geological Survey SN - 060792621X AV - TN460 .G46 2003 U1 - 622/.3454 22 PY - 2003/// CY - Reston, Va., Denver, CO PB - U.S. Geological Survey, Available from U.S. Geological Survey Information Services [distributor] KW - Mercury KW - Environmental aspects KW - Mercury mines and mining KW - გეოლოგია N1 - Includes bibliographical references UR - http://geopubs.wr.usgs.gov/circular/c1248/ ER -